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HEADPHONES · YOUR NEXT FACE-OFF

Nothing CMF Buds 2 Plus vs Beyerdynamic DT 1770 PRO MKII

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

Nothing CMF Buds 2 Plus

6974434225114 · Light Grey · UK

CMF Buds 2 Plus light grey earbuds in an open light grey charging case marked Buds 2 Plus
Exact model & source notes

CMF Buds 2 Plus (store SKU 6974434225114 in Light Grey on the UK and US Nothing stores) are true wireless earbuds from Nothing's CMF sub-brand, with hybrid ANC up to 50 dB, a 12 mm LCP driver, LDAC and a hearing-test-based Personal Sound profile.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications
WHICH SUITS YOU?

Choose the Nothing CMF Buds 2 Plus for

  • A wireless connection
  • Active noise cancellation: Yes vs No
  • Microphone: Yes vs No

Choose the Beyerdynamic DT 1770 PRO MKII for

  • A wired connection
Built from verified specifications that differ. Not a rating or a recommendation.
See the 6 verified differences
THE CONTENDER

Beyerdynamic DT 1770 PRO MKII

1000310 · 30 ohm · black

beyerdynamic DT 1770 PRO MKII closed-back studio headphones in black with black velour ear pads, perspective view
Exact model & source notes

The DT 1770 PRO MKII (article 1000310, black) is beyerdynamic's closed-back, around-ear studio headphone in its second generation, using 45 mm TESLA.45 dynamic drivers at 30 ohms and a detachable, lockable mini-XLR cable. A spring-steel headband carries a headband pad with a fontanelle recess for pressure relief. It comes with velour and leatherette ear-pad sets, two cables and a hard case, and works with beyerdynamic's free HEADPHONE LAB plug-in, which offers individual factory calibration for this model.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

Nothing CMF Buds 2 Plus UK & US retailers

UK & US price history: no verified listing yet

Beyerdynamic DT 1770 PRO MKII UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison
  • Manufacturer facts for the exact models shown. Not a quality rating or a test result.
  • “Different” means the known values differ, not that one is better.
  • Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.
FEATURES SIDE BY SIDE6 topics

Yes and No describe the listed feature. Missing evidence stays unverified.

SELECTED TOPIC
01 / 06

Microphone

A built-in microphone matters for calls and voice chat. An audio-only headphone connection does not supply a microphone channel.

Nothing CMF Buds 2 PlusYes

Manufacturer specification · Six HD microphones in total (three per bud) with Clear Voice Technology 3.0 and Wind Noise Reduction 3.0.

Beyerdynamic DT 1770 PRO MKIINo

Manufacturer specification · Stereo headphone plug; no microphone is listed.

Choose your must-haves

Start with your listening environment. Open and closed earcups suit different surroundings. A closed back is not the same as active noise cancellation. Check the exact cable and headphone output. We do not turn impedance, driver size or unpaired lab results into a sound-quality score.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

6 verified differences, most decision-relevant first. 1 is also drawn in Visual facts above. Missing information stays separate.

Wired / wireless connections

Nothing CMF Buds 2 PlusBluetooth 5.4 (AAC, SBC, LDAC) with dual connection; USB-C charging on the case
Beyerdynamic DT 1770 PRO MKIIWired; detachable, lockable single-sided cable with 3-pin mini-XLR at the headphone and 3.5 mm stereo jack with 6.35 mm (1/4-inch) adapter
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · LDAC needs a supporting Android device and the High-Quality Audio setting in Nothing X. Fast charging is quoted with a Type-C charging cable.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · The product page's technical table words the plug as '3-pin XLR plug, 6.35 mm (1/4") stereo jack plug'; the spec sheet specifies a 3-pin mini-XLR cable connector at the headphone and a 3.5 mm jack with 6.35 mm adapter.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Check the exact configuration and source conditions for your use.

Active noise cancellation

Nothing CMF Buds 2 PlusYes
Beyerdynamic DT 1770 PRO MKIINo
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Hybrid ANC up to 50 dB (Nothing's laboratory theoretical maximum) over up to 5400 Hz, with Smart Adaptive mode, Environmental Adaptive ANC and Transparency mode.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Passive closed-back isolation (rated ambient noise attenuation 25 dBA); no active noise cancellation.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Check the exact configuration and source conditions for your use.

Microphone

In Visual facts
Nothing CMF Buds 2 PlusYes
Beyerdynamic DT 1770 PRO MKIINo
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Six HD microphones in total (three per bud) with Clear Voice Technology 3.0 and Wind Noise Reduction 3.0.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications

Check the exact configuration and source conditions for your use.

Battery life

Nothing CMF Buds 2 PlusAAC: earbuds up to 7.5 hours with ANC on and 14 hours with ANC off; with the case 33 hours with ANC on and 61.5 hours with ANC off. LDAC: earbuds up to 5.5 hours ANC on / 8 hours ANC off; with case up to 25 hours ANC on / 36 hours ANC off.
Beyerdynamic DT 1770 PRO MKIINot required: passive wired headphones powered by the audio source
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Nothing laboratory results at 25 °C, 50% volume, AAC, other features at default settings; actual life varies with use. Talk time is listed separately (earbuds 6.5 h ANC on / 8 h ANC off; with case 29 h / 34 h).

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications

Manufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.

Drivers

Nothing CMF Buds 2 PlusCustom 12 mm dynamic driver, LCP + PU diaphragm
Beyerdynamic DT 1770 PRO MKIIDynamic TESLA.45 drivers, 45 mm diameter, PEEK polymer diaphragm
Sources
Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · beyerdynamic states the headphones are equipped with two TESLA.45 drivers, each measuring 45 mm in diameter, and that the diaphragm is made of PEEK polymer (product page FAQ). The spec sheet gives the transducer type as dynamic.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Check whether the diameter describes the complete transducer or only its diaphragm. Different labels and driver sizes do not establish better sound.

Wearing style

Nothing CMF Buds 2 PlusIn-ear, true wireless (ear tips in sizes S, M and L)
Beyerdynamic DT 1770 PRO MKIIOver-ear (circumaural), closed-back wired studio headphones
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · A pair of earbuds and a charging case; ear tips in sizes S, M and L are in the box. Nothing does not state the ear tip material.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications

Check the exact configuration and source conditions for your use.

Missing or non-comparable evidence (30)

Companion app

Nothing CMF Buds 2 PlusNothing X app (Android and iOS): customise equaliser and controls, find my earbuds, low lag mode, software updates
Beyerdynamic DT 1770 PRO MKIINot verified
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Nothing X is for Android 6.0 and above and iOS 13 and above; on Nothing OS 1.5.6 and higher the settings are built into the phone. LDAC needs High-Quality Audio turned on in Nothing X.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cable length

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKII5 m
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Longest supplied cable: 5 m coiled (stretched). A 3 m straight cable is also included.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Charge time

Nothing CMF Buds 2 PlusFull charge (0-100%) in 95 minutes with the case connected to a USB-C cable; with the case unplugged, the earbuds charge inside it in 60 minutes
Beyerdynamic DT 1770 PRO MKIINot verified
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Fast charge: after a 10-minute charge, up to 8.5 hours of playback with the case or 4.5 hours without it (ANC off, 50% volume, AAC, Nothing laboratory, 25 °C).

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Supplied plug and adapter

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKII3-pin mini-XLR (headphone end); gold-plated 3.5 mm stereo jack with 6.35 mm (1/4-inch) adapter
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Controls

Nothing CMF Buds 2 PlusTouch controls: double tap to skip forward or answer/hang up calls; triple tap to skip back or reject calls; tap and hold to switch between Active Noise Cancellation and Transparency Mode.
Beyerdynamic DT 1770 PRO MKIINot verified
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Customisable (footnote 9): double tap, triple tap, tap & hold and double tap & hold can be set to next song, previous song, volume up, volume down, voice assistant or switching noise cancellation modes, via phone settings on Nothing OS 1.5.6+ or the Nothing X app on Android 6.0+/iOS 13+.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rated total harmonic distortion

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKII0.20% at 100 Hz, 0.04% at 500 Hz, 0.1% at 1 kHz (at 1 mW)
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Driver diameter

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKII45 mm
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Diameter of each TESLA.45 driver as stated on the product page.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Quick pairing

Nothing CMF Buds 2 PlusGoogle Fast Pair and Microsoft Swift Pair
Beyerdynamic DT 1770 PRO MKIINot verified
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Fast Pair works on supported Android devices running Google Play services 11.7+ (back to Android 6.0); Find My and device renaming support need Android 10 or later.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Nominal headband pressure

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKII6 ±0.5 N
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

HEADPHONE LAB software

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKIISupported through a separate DAW plug-in, with individual factory calibration
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Free plug-in for DAW software (VST3, AU and AAX for Windows and macOS) with crossfeed and optional room simulation; there is no standalone version. beyerdynamic lists the DT 1770 PRO MKII among the models offered FACTORY CALIBRATION, based on the production measurement data of the individual unit.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic HEADPHONE LAB — plug-in features, formats and FACTORY CALIBRATION model list

Evidence is missing or conflicting on at least one side. This is not a verified difference.

In the box

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKIIHeadphones, velour ear pad set (slight bass boost), leatherette ear pad set (linear), 3 m straight cable, 5 m coiled cable, hard case
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Low lag mode

Nothing CMF Buds 2 Plusless than 110 ms (as low as 105 ms)
Beyerdynamic DT 1770 PRO MKIINot verified
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Only with a Nothing phone in Game Mode. The Other features table says 'less than 110 ms under Game Mode'; footnote 7 says latency can be reduced to as low as 105 ms. Source field: Low lag mode.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Construction

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKIIRugged spring-steel headband; soft memory-foam headband pad with fontanelle recess for pressure relief
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Spec sheet features: 'Rugged spring steel headband construction' and 'Headband pad with fontanelle recess for pressure relief'. The product page highlights 'High wearing comfort thanks to fontanelle recess' and states that the fontanelle recess avoids pain-sensitive areas on the head.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Ambient noise attenuation

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKII25 dBA
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Passive attenuation rated by beyerdynamic.

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum input power

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKII100 mW short-term; 30 mW continuous
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rated sensitivity

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKII95 dB SPL at 1 mW / 500 Hz; 110 dB SPL at 1 V / 500 Hz
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Two references are given: per 1 mW and per 1 V, both at 500 Hz.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Serviceability

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKIIAlmost every part replaceable, including the headband and ear pads
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · beyerdynamic's product page states that almost every part of the headphones can be replaced and that the headband and ear pads can be replaced if necessary; the spec sheet words it more broadly: 'All components can be replaced'.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Sound features

Nothing CMF Buds 2 PlusPersonal Sound Profile, Spatial Audio Effect, Ultra Bass Technology 2.0, Custom EQ; tuning by Nothing
Beyerdynamic DT 1770 PRO MKIINot verified
Sources
Beyerdynamic DT 1770 PRO MKII

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Spatial audio

Nothing CMF Buds 2 PlusSpatial Audio Effect (HRTF-based)
Beyerdynamic DT 1770 PRO MKIINot verified
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Nothing says it uses Head-Related Transfer Function (HRTF) technology for a three-dimensional listening experience; head tracking is not mentioned.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dust, sweat and water resistance

Nothing CMF Buds 2 PlusIP55 (earbuds)
Beyerdynamic DT 1770 PRO MKIINot verified
Sources
Nothing CMF Buds 2 Plus

The specification lists 'IPX2 case', but footnote 6 says the charging case is not rated for water-proofing; the case rating is therefore left out. · Manufacturer specification

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dimensions

Nothing CMF Buds 2 PlusEach earbud 33.6 x 20.9 x 22.7 mm; charging case 53.3 x 53.3 x 23 mm (height x width x depth)
Beyerdynamic DT 1770 PRO MKIINot verified
Sources
Beyerdynamic DT 1770 PRO MKII

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Weight without cable

Nothing CMF Buds 2 PlusNot verified
Beyerdynamic DT 1770 PRO MKII377 g
Sources
Nothing CMF Buds 2 Plus

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

0 shared fields have the same recorded value.

YOUR HEADPHONES. YOUR RULES.

Check against your must-haves

Feature matching for the features you select. It doesn’t rate sound or comfort.

Start with your listening setup.

Choose a starting point, then fine-tune your must-haves.

FINE-TUNE THE DETAILS

Your essentials.

These shortcuts select the features shown above. Check the fit against your own equipment and listening space.

A feature match describes the selected requirements. It doesn’t rate sound or comfort.

YOUR CHOICE

Nothing CMF Buds 2 Plus

Select a feature to check your fit.

YOUR CHOICE

Beyerdynamic DT 1770 PRO MKII

Select a feature to check your fit.

Feature matching, not a sound-quality score. The specification table links to the evidence for each feature.
WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Nothing CMF Buds 2 Plus

What it brings

  • Nothing rates 14 hours per charge and 61.5 hours with the case using AAC with ANC off, or 7.5 and 33 hours with ANC on.
  • It supports LDAC and dual connection, and its Personal Sound profile, powered by Audiodo, is built from a pure tone audiometry hearing test.

What to check

  • The case charges over USB-C only; no wireless charging is listed, and LDAC works only with supporting Android phones and cuts rated playback to 5.5 hours with ANC on.
  • The earbuds are IP55, but Nothing's own page is inconsistent about the case (IPX2 in the table, not water-proof rated in the footnote).

Beyerdynamic DT 1770 PRO MKII

What it brings

  • The closed design has a rated ambient noise attenuation of 25 dBA, and beyerdynamic describes the headphones as ideal for professional studio and monitoring applications.
  • Two ear-pad sets change the tuning: velour with a slight bass boost, or leatherette for a linear response; beyerdynamic states that almost every part of the headphones can be replaced.

What to check

  • beyerdynamic rates it at 377 g without cable and a nominal headband pressure of 6 ±0.5 N; anyone sensitive to weight or clamping force over long sessions should weigh these figures.
  • Isolation is passive only and there is no microphone, so it is not a substitute for active noise-cancelling travel headphones or a headset for calls.
COMPARE THE DETAILS

Full specifications

How we verify
36 of 36 specifications Sources in each row
Source-backed specifications for Nothing CMF Buds 2 Plus and Beyerdynamic DT 1770 PRO MKII
SpecificationNothing CMF Buds 2 PlusBeyerdynamic DT 1770 PRO MKII
Wearing styleDifferent
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · A pair of earbuds and a charging case; ear tips in sizes S, M and L are in the box. Nothing does not state the ear tip material.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications
In-ear, true wireless (ear tips in sizes S, M and L)Over-ear (circumaural), closed-back wired studio headphones
Weight per earbud
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Each earbud. The charging case weighs 42.5 g.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded.

4.5 gNot provided
Each earbud 33.6 x 20.9 x 22.7 mm; charging case 53.3 x 53.3 x 23 mm (height x width x depth)Not provided
Dust, sweat and water resistance
Sources
Nothing CMF Buds 2 Plus

The specification lists 'IPX2 case', but footnote 6 says the charging case is not rated for water-proofing; the case rating is therefore left out. · Manufacturer specification

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded.

IP55 (earbuds)Not provided
Not provided377 g
Acoustic design
Sources
Not providedClosed-back
Nominal headband pressure
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Not provided6 ±0.5 N
Serviceability
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · beyerdynamic's product page states that almost every part of the headphones can be replaced and that the headband and ear pads can be replaced if necessary; the spec sheet words it more broadly: 'All components can be replaced'.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Not providedAlmost every part replaceable, including the headband and ear pads
Construction
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Spec sheet features: 'Rugged spring steel headband construction' and 'Headband pad with fontanelle recess for pressure relief'. The product page highlights 'High wearing comfort thanks to fontanelle recess' and states that the fontanelle recess avoids pain-sensitive areas on the head.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Not providedRugged spring-steel headband; soft memory-foam headband pad with fontanelle recess for pressure relief
Wired / wireless connectionsDifferent
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · LDAC needs a supporting Android device and the High-Quality Audio setting in Nothing X. Fast charging is quoted with a Type-C charging cable.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · The product page's technical table words the plug as '3-pin XLR plug, 6.35 mm (1/4") stereo jack plug'; the spec sheet specifies a 3-pin mini-XLR cable connector at the headphone and a 3.5 mm jack with 6.35 mm adapter.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Bluetooth 5.4 (AAC, SBC, LDAC) with dual connection; USB-C charging on the caseWired; detachable, lockable single-sided cable with 3-pin mini-XLR at the headphone and 3.5 mm stereo jack with 6.35 mm (1/4-inch) adapter
Battery lifeDifferent
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Nothing laboratory results at 25 °C, 50% volume, AAC, other features at default settings; actual life varies with use. Talk time is listed separately (earbuds 6.5 h ANC on / 8 h ANC off; with case 29 h / 34 h).

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
AAC: earbuds up to 7.5 hours with ANC on and 14 hours with ANC off; with the case 33 hours with ANC on and 61.5 hours with ANC off. LDAC: earbuds up to 5.5 hours ANC on / 8 hours ANC off; with case up to 25 hours ANC on / 36 hours ANC off.Not required: passive wired headphones powered by the audio source
Charge time
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Fast charge: after a 10-minute charge, up to 8.5 hours of playback with the case or 4.5 hours without it (ANC off, 50% volume, AAC, Nothing laboratory, 25 °C).

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded.

Full charge (0-100%) in 95 minutes with the case connected to a USB-C cable; with the case unplugged, the earbuds charge inside it in 60 minutesNot provided
Bluetooth codecs
Sources
Beyerdynamic DT 1770 PRO MKII

No source recorded.

AAC, SBC, LDAC (Hi-Res Wireless Audio certified)Not provided
Multipoint (dual connection)
Sources
YesNot provided
Low lag mode
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Only with a Nothing phone in Game Mode. The Other features table says 'less than 110 ms under Game Mode'; footnote 7 says latency can be reduced to as low as 105 ms. Source field: Low lag mode.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded.

less than 110 ms (as low as 105 ms)Not provided
Quick pairing
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Fast Pair works on supported Android devices running Google Play services 11.7+ (back to Android 6.0); Find My and device renaming support need Android 10 or later.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded.

Google Fast Pair and Microsoft Swift PairNot provided
Battery capacity
Sources
Beyerdynamic DT 1770 PRO MKII

No source recorded.

Earbuds 53 mAh each; case 460 mAhNot provided
Cable length
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Longest supplied cable: 5 m coiled (stretched). A 3 m straight cable is also included.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Not provided5 m
Supplied plug and adapter
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Not provided3-pin mini-XLR (headphone end); gold-plated 3.5 mm stereo jack with 6.35 mm (1/4-inch) adapter
DriversDifferent
Sources
Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · beyerdynamic states the headphones are equipped with two TESLA.45 drivers, each measuring 45 mm in diameter, and that the diaphragm is made of PEEK polymer (product page FAQ). The spec sheet gives the transducer type as dynamic.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Custom 12 mm dynamic driver, LCP + PU diaphragmDynamic TESLA.45 drivers, 45 mm diameter, PEEK polymer diaphragm
Spatial audio
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Nothing says it uses Head-Related Transfer Function (HRTF) technology for a three-dimensional listening experience; head tracking is not mentioned.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded.

Spatial Audio Effect (HRTF-based)Not provided
Sound features
Sources
Beyerdynamic DT 1770 PRO MKII

No source recorded.

Personal Sound Profile, Spatial Audio Effect, Ultra Bass Technology 2.0, Custom EQ; tuning by NothingNot provided
Driver diameter
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Diameter of each TESLA.45 driver as stated on the product page.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)
Not provided45 mm
Nominal impedance
Sources
Not provided30 ohm
Rated frequency range
Sources
Not provided5–40,000 Hz
Rated sensitivity
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Two references are given: per 1 mW and per 1 V, both at 500 Hz.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Not provided95 dB SPL at 1 mW / 500 Hz; 110 dB SPL at 1 V / 500 Hz
Rated total harmonic distortion
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Not provided0.20% at 100 Hz, 0.04% at 500 Hz, 0.1% at 1 kHz (at 1 mW)
Maximum input power
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Not provided100 mW short-term; 30 mW continuous
MicrophoneDifferent
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Six HD microphones in total (three per bud) with Clear Voice Technology 3.0 and Wind Noise Reduction 3.0.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications
YesNo
Active noise cancellationDifferent
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Hybrid ANC up to 50 dB (Nothing's laboratory theoretical maximum) over up to 5400 Hz, with Smart Adaptive mode, Environmental Adaptive ANC and Transparency mode.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Passive closed-back isolation (rated ambient noise attenuation 25 dBA); no active noise cancellation.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
YesNo
Ambient noise attenuation
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Passive attenuation rated by beyerdynamic.

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Not provided25 dBA
Companion app
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Nothing X is for Android 6.0 and above and iOS 13 and above; on Nothing OS 1.5.6 and higher the settings are built into the phone. LDAC needs High-Quality Audio turned on in Nothing X.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded.

Nothing X app (Android and iOS): customise equaliser and controls, find my earbuds, low lag mode, software updatesNot provided
Controls
Sources
Nothing CMF Buds 2 Plus

Manufacturer specification · Customisable (footnote 9): double tap, triple tap, tap & hold and double tap & hold can be set to next song, previous song, volume up, volume down, voice assistant or switching noise cancellation modes, via phone settings on Nothing OS 1.5.6+ or the Nothing X app on Android 6.0+/iOS 13+.

Nothing (UK store, nothing.tech) — CMF Buds 2 Plus product page with technical specificationsNothing (US store, us.nothing.tech) — CMF Buds 2 Plus product page with technical specifications
Beyerdynamic DT 1770 PRO MKII

No source recorded.

Touch controls: double tap to skip forward or answer/hang up calls; triple tap to skip back or reject calls; tap and hold to switch between Active Noise Cancellation and Transparency Mode.Not provided
YesNot provided
HEADPHONE LAB software
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification · Free plug-in for DAW software (VST3, AU and AAX for Windows and macOS) with crossfeed and optional room simulation; there is no standalone version. beyerdynamic lists the DT 1770 PRO MKII among the models offered FACTORY CALIBRATION, based on the production measurement data of the individual unit.

beyerdynamic DT 1770 PRO MKII — official product page and technical data (global store)beyerdynamic HEADPHONE LAB — plug-in features, formats and FACTORY CALIBRATION model list
Not providedSupported through a separate DAW plug-in, with individual factory calibration
In the box
Sources
Nothing CMF Buds 2 Plus

No source recorded.

Beyerdynamic DT 1770 PRO MKII

Manufacturer specification

beyerdynamic DT 1770 PRO MKII — spec sheet E1/DT 1770 PRO MKII (10.24)
Not providedHeadphones, velour ear pad set (slight bass boost), leatherette ear pad set (linear), 3 m straight cable, 5 m coiled cable, hard case
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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.