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HEADPHONES · YOUR NEXT FACE-OFF

OnePlus Nord Buds 3 Pro vs Sennheiser HD 650

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

Compared products

YOUR FIRST CHOICE

OnePlus Nord Buds 3 Pro

5481158589 · Starry Black · UK

OnePlus Nord Buds 3 Pro earbuds in Starry Black above their closed speckled black charging case
Full product profile Official image
Exact model & source notes

OnePlus Nord Buds 3 Pro are true wireless earbuds with a 12.4 mm dynamic driver whose diaphragms have a titanium coating, hybrid ANC rated up to 49 dB and Bluetooth 5.4 with AAC and SBC. This record is the Starry Black colour (UK SKU 5481158589); OnePlus rates it at 5.5 hours with ANC on and 20 hours with the case.

Specifications checked 26 Sept 2026.

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

Manufacturer specifications
WHAT DIFFERS

4 verified differences, led by Wired / wireless connections, drivers and wearing style. Compared in full below. Not a rating.

See the 4 verified differences
THE CONTENDER

Sennheiser HD 650

508825 · titanium-silver · 300 ohm · standard 3 m unbalanced cable

Sennheiser HD 650 headphones with the HD 650 badge, titanium-silver frame, black open grilles and detachable cable visible
Full product profile Official image
Exact model & source notes

The HD 650 is an open-back, over-ear headphone with a 42 mm dynamic driver rated 10–41,000 Hz (−10 dB) at 300 ohms. It comes with a detachable 3 m 6.35 mm cable and a 3.5 mm adapter; balanced cables are optional extras.

Specifications checked 11 Sept 2026.

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

Manufacturer specifications

OnePlus Nord Buds 3 Pro UK & US retailers

UK
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US
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UK & US price history: no verified listing yet

Sennheiser HD 650 UK & US retailers

UK
Search Amazon UKSearch eBay UK
US
Search Amazon USSearch eBay US

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

Open-back design

Open-back earcups are not sealed. Start here if your listening space is quiet; this construction is not a sound-quality rating.

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650Yes

Open-back. Manufacturer specification

Source 1
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 ↓

4 verified differences, most decision-relevant first. Missing information stays separate.

Wired / wireless connections

OnePlus Nord Buds 3 ProBluetooth 5.4 with AAC and SBC codecs; dual connection; USB-C wired charging on the case
Sennheiser HD 650Wired analogue; detachable 6.35 mm unbalanced cable and included 3.5 mm adapter
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Google Fast Pair is listed; it is only supported on OnePlus 6 series and later devices running Android 11 or later. Bluetooth range is up to 10 m. No wireless charging is listed for the case.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

Manufacturer specification · Optional 4.4 mm and XLR-4 balanced cables are sold separately.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details

Check the exact configuration and source conditions for your use.

Drivers

OnePlus Nord Buds 3 Pro12.4 mm dynamic driver with titanium-coated ('titanized') diaphragms
Sennheiser HD 65042 mm dynamic transducer with 38 mm diaphragm and aluminium voice coil; acoustic mesh and hand-paired transducers within stated ±1 dB tolerance
Sources
Sennheiser HD 650

Manufacturer specification · The driver, diaphragm and voice-coil sizes describe different parts.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details

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

Wearing style

OnePlus Nord Buds 3 ProIn-ear, true wireless (silicone ear tips in S, M and L)
Sennheiser HD 650Over-ear (circumaural), open-back dynamic headphones
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Two earbuds (one pair) with a charging case; the box lists Silicon eartips x 3 (S, M, L).

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

Check the exact configuration and source conditions for your use.

Frequency response

OnePlus Nord Buds 3 Pro20~40KHz (as printed by OnePlus)
Sennheiser HD 65010–41,000 Hz (−10 dB)
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · The unit of the lower bound is not printed on the UK or US specification page.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (US) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

Manufacturer specification · The manual rates 10–41,000 Hz at −10 dB; Sennheiser's UK feature list quotes 12–41,000 Hz without a threshold.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details

Range endpoints need their stated threshold. They do not describe response flatness or prove better bass, detail or sound quality.

Missing or non-comparable evidence (32)

Acoustic design

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650Open-back
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

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

Active noise cancellation

OnePlus Nord Buds 3 ProYes
Sennheiser HD 650Not verified
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Hybrid active noise cancellation (feedforward and feedback) rated up to 49 dB over a 4,000 Hz noise cancellation range (OnePlus laboratory results). OnePlus describes it as smart adaptive noise cancellation that adjusts to ambient sound. Transparency mode is listed.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

The reviewed exact manufacturer sources establish open-back dynamic construction but do not explicitly state whether active noise cancellation is present or absent. Acoustic mesh, an absorber or an omitted ANC control does not establish ANC=false. · Manufacturer specification

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details

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

Microphone

In Visual facts
OnePlus Nord Buds 3 ProYes
Sennheiser HD 650Not verified
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Three built-in microphones (two analogue and one digital) on each earbud, used with the Clear Call algorithm, ANC and an anti-wind noise algorithm; OnePlus notes that wind conditions can cause fluctuations in noise reduction.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

The reviewed exact manufacturer sources do not explicitly establish microphone presence or absence for the supplied configuration. Stereo audio conductors and omitted controls are not proof that no microphone exists. · Manufacturer specification

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details

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

Battery life

OnePlus Nord Buds 3 ProEarbuds: 5.5 hours with ANC or Transparency on, 12 hours with ANC off. With the case: 20 hours with ANC on, 44 hours with ANC off. A 10-minute charge gives 4 hours (earbuds) or 11 hours (earbuds + case) with ANC off.
Sennheiser HD 650Not verified
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · OnePlus laboratory results at 50% volume using AAC; identical on the UK and US pages.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (US) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

The reviewed exact manufacturer sources do not explicitly give battery life or state that no battery is required for operation. A wired analogue connection is known; the generic disposal wording “battery/rechargeable battery (if applicable)” establishes neither presence nor absence. · Manufacturer specification

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details

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

Nominal impedance

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650300 ohm
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Nominal impedance; check that your amplifier or audio source can drive this load.

Sennheiser HD 650 — exact UK article and product details

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

Bass enhancement

OnePlus Nord Buds 3 ProBassWave 2.0
Sennheiser HD 650Not verified
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

No source recorded for this side.

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

Included and optional cables

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650Detachable 3 m unbalanced cable included; 4.4 mm and XLR-4 cables optional
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Optional cables are sold separately; balanced cables need a balanced headphone output.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details

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

Bluetooth codecs

OnePlus Nord Buds 3 ProAAC, SBC
Sennheiser HD 650Not verified
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

No source recorded for this side.

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

Rated contact pressure

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650Approximately 6.0 N ±1.0 N
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Nominal clamping force; individual fit and comfort can differ.

Sennheiser HD 650 — manufacturer specifications

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

Earbud controls

OnePlus Nord Buds 3 ProTouch control: single tap none (default) or play/pause; double tap play/pause, previous, next, voice assistant or game mode; triple tap previous, next, voice assistant or game mode; touch and hold noise cancellation / Transparency; long touch and hold none (default), volume up or volume down
Sennheiser HD 650Not verified
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Where several actions are listed for a gesture, they are options; the specification page lists Custom Settings supported by the Wireless Earphones / HeyMelody app.

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

No source recorded for this side.

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

Driver diameter

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 65042 mm
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Complete transducer diameter; the diaphragm is 38 mm.

Sennheiser HD 650 — exact UK article and product details

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

Durability testing

OnePlus Nord Buds 3 Pro55 °C extreme temperature tested; case hinge tested to 20,000 folds; charging case drop tested from 1.5 m; earbud drop tested from 1.8 m
Sennheiser HD 650Not verified
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · OnePlus laboratory results; actual performance may vary.

OnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

No source recorded for this side.

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

Find My Earbuds

OnePlus Nord Buds 3 ProYes
Sennheiser HD 650Not verified
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Available on all OnePlus phones and in the HeyMelody app.

OnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

No source recorded for this side.

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

Frequency equalisation

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650Diffuse-field equalised
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

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

Rated long-term input power

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650Maximum 500 mW under EN 60-268-7
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Maximum input the headphones can handle, not the amplifier power they need.

Sennheiser HD 650 — manufacturer specifications

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

Multipoint (dual-device) connection

OnePlus Nord Buds 3 ProYes
Sennheiser HD 650Not verified
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

No source recorded for this side.

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

Operating temperature

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650−10 °C to +55 °C
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications

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

Rated sensitivity

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650103 dB SPL at 1 kHz, 1 V rms
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Rated at 1 kHz with 1 V rms; not directly comparable with dB/mW ratings.

Sennheiser HD 650 — manufacturer specifications

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

Replaceable parts

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650Detachable cable and replaceable ear pads; headband padding via repair service
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Replacement procedures are in the manual; spare-part availability varies.

Sennheiser HD 650 — manufacturer specifications

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

Dust, sweat and water resistance

OnePlus Nord Buds 3 ProEarbuds IP55 (charging case excluded)
Sennheiser HD 650Not verified
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Footnote: 'Excludes charging case.' Water and dust resistance may be reduced as the device ages; liquid and dust damage are not covered under warranty.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

No source recorded for this side.

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

Weight

OnePlus Nord Buds 3 ProNot verified
Sennheiser HD 650260 g
Sources
OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 650

Manufacturer specification · Approximate, without the cable.

Sennheiser HD 650 — manufacturer specifications

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

OnePlus Nord Buds 3 Pro

Select a feature to check your fit.

YOUR CHOICE

Sennheiser HD 650

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

OnePlus Nord Buds 3 Pro

What it brings

  • With ANC off, OnePlus rates the earbuds at 12 hours per charge and 44 hours with the case, and a 10-minute charge gives up to 11 hours with the case.
    Manufacturer source
  • Each earbud weighs 4.4 g and the charging case 38.2 g, with dual connection and Google Fast Pair listed.
    Manufacturer source

What to check

  • With ANC or Transparency on, battery drops to 5.5 hours per charge and 20 hours with the case.
    Manufacturer source
  • Only AAC and SBC codecs are listed, the case charges by USB-C only, and the IP55 rating excludes the charging case.
    Manufacturer source

Sennheiser HD 650

What it brings

  • Its 42 mm dynamic driver has hand-paired transducers matched within ±1 dB, and the supplied 6.35 mm cable with 3.5 mm adapter fits both common socket sizes. The cable and velour ear pads are replaceable.
    Manufacturer source Manufacturer source

What to check

  • At 300 ohms, check that your amplifier or audio source can drive the headphones properly. The documented connection uses the supplied analogue audio cable and 3.5 mm adapter.
    Manufacturer source Manufacturer source
  • Sennheiser describes the intended use as listening at home with high-quality audio systems. The 4.4 mm balanced and XLR-4 cables are optional accessories.
    Manufacturer source Manufacturer source
COMPARE THE DETAILS

Full specifications

How we verify
36 of 36 specifications Sources in each row
Source-backed specifications for OnePlus Nord Buds 3 Pro and Sennheiser HD 650
SpecificationOnePlus Nord Buds 3 ProSennheiser HD 650
Wearing styleDifferent
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Two earbuds (one pair) with a charging case; the box lists Silicon eartips x 3 (S, M, L).

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications
In-ear, true wireless (silicone ear tips in S, M and L)Over-ear (circumaural), open-back dynamic headphones
Weight per earbud
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Each earbud; the charging case weighs 38.2 g. Identical on the UK and US pages.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (US) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

No source recorded.

4.4 gNot provided
Dimensions
Sources
Sennheiser HD 650

No source recorded.

Each earbud: 2.999 x 2.030 x 2.387 cm; charging case: 6.660 x 5.124 x 2.483 cmNot provided
Dust, sweat and water resistance
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Footnote: 'Excludes charging case.' Water and dust resistance may be reduced as the device ages; liquid and dust damage are not covered under warranty.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

No source recorded.

Earbuds IP55 (charging case excluded)Not provided
Durability testing
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · OnePlus laboratory results; actual performance may vary.

OnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

No source recorded.

55 °C extreme temperature tested; case hinge tested to 20,000 folds; charging case drop tested from 1.5 m; earbud drop tested from 1.8 mNot provided
Weight
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Approximate, without the cable.

Sennheiser HD 650 — manufacturer specifications
Not provided260 g
Acoustic design
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications
Not providedOpen-back
Replaceable parts
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Replacement procedures are in the manual; spare-part availability varies.

Sennheiser HD 650 — manufacturer specifications
Not providedDetachable cable and replaceable ear pads; headband padding via repair service
Ear pads
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Replacement procedure shown in the manual.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
Not providedVelour ear pads; replaceable
Rated contact pressure
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Nominal clamping force; individual fit and comfort can differ.

Sennheiser HD 650 — manufacturer specifications
Not providedApproximately 6.0 N ±1.0 N
Wired / wireless connectionsDifferent
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Google Fast Pair is listed; it is only supported on OnePlus 6 series and later devices running Android 11 or later. Bluetooth range is up to 10 m. No wireless charging is listed for the case.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

Manufacturer specification · Optional 4.4 mm and XLR-4 balanced cables are sold separately.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
Bluetooth 5.4 with AAC and SBC codecs; dual connection; USB-C wired charging on the caseWired analogue; detachable 6.35 mm unbalanced cable and included 3.5 mm adapter
Battery life
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · OnePlus laboratory results at 50% volume using AAC; identical on the UK and US pages.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (US) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

The reviewed exact manufacturer sources do not explicitly give battery life or state that no battery is required for operation. A wired analogue connection is known; the generic disposal wording “battery/rechargeable battery (if applicable)” establishes neither presence nor absence. · Manufacturer specification

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
Earbuds: 5.5 hours with ANC or Transparency on, 12 hours with ANC off. With the case: 20 hours with ANC on, 44 hours with ANC off. A 10-minute charge gives 4 hours (earbuds) or 11 hours (earbuds + case) with ANC off.Not listed by the manufacturer
Battery capacity
Sources
Sennheiser HD 650

No source recorded.

Earbuds 58 mAh; charging case 440 mAhNot provided
Charge time
Sources
Sennheiser HD 650

No source recorded.

Wired: earbuds about 60 minutes; earbuds + case about 80 minutesNot provided
Bluetooth codecs
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

No source recorded.

AAC, SBCNot provided
Multipoint (dual-device) connection
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

No source recorded.

YesNot provided
Included cable length
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Length of the supplied cable.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
Not provided3 m
Supplied plug configuration
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Needs a matching headphone output.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
Not provided6.35 mm unbalanced plug with included 6.35 mm-to-3.5 mm adapter
Included and optional cables
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Optional cables are sold separately; balanced cables need a balanced headphone output.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
Not providedDetachable 3 m unbalanced cable included; 4.4 mm and XLR-4 cables optional
DriversDifferent
Sources
Sennheiser HD 650

Manufacturer specification · The driver, diaphragm and voice-coil sizes describe different parts.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
12.4 mm dynamic driver with titanium-coated ('titanized') diaphragms42 mm dynamic transducer with 38 mm diaphragm and aluminium voice coil; acoustic mesh and hand-paired transducers within stated ±1 dB tolerance
Frequency responseDifferent
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · The unit of the lower bound is not printed on the UK or US specification page.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (US) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

Manufacturer specification · The manual rates 10–41,000 Hz at −10 dB; Sennheiser's UK feature list quotes 12–41,000 Hz without a threshold.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
20~40KHz (as printed by OnePlus)10–41,000 Hz (−10 dB)
Bass enhancement
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

No source recorded.

BassWave 2.0Not provided
Nominal impedance
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Nominal impedance; check that your amplifier or audio source can drive this load.

Sennheiser HD 650 — exact UK article and product details
Not provided300 ohm
Rated sensitivity
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Rated at 1 kHz with 1 V rms; not directly comparable with dB/mW ratings.

Sennheiser HD 650 — manufacturer specifications
Not provided103 dB SPL at 1 kHz, 1 V rms
Rated long-term input power
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Maximum input the headphones can handle, not the amplifier power they need.

Sennheiser HD 650 — manufacturer specifications
Not providedMaximum 500 mW under EN 60-268-7
Frequency equalisation
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications
Not providedDiffuse-field equalised
Rated total harmonic distortion
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Not provided≤0.05% at 1 kHz, 1 V rms
Driver diameter
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Complete transducer diameter; the diaphragm is 38 mm.

Sennheiser HD 650 — exact UK article and product details
Not provided42 mm
Microphone
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Three built-in microphones (two analogue and one digital) on each earbud, used with the Clear Call algorithm, ANC and an anti-wind noise algorithm; OnePlus notes that wind conditions can cause fluctuations in noise reduction.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

The reviewed exact manufacturer sources do not explicitly establish microphone presence or absence for the supplied configuration. Stereo audio conductors and omitted controls are not proof that no microphone exists. · Manufacturer specification

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
YesNot listed by the manufacturer
Active noise cancellation
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Hybrid active noise cancellation (feedforward and feedback) rated up to 49 dB over a 4,000 Hz noise cancellation range (OnePlus laboratory results). OnePlus describes it as smart adaptive noise cancellation that adjusts to ambient sound. Transparency mode is listed.

OnePlus (UK) — OnePlus Nord Buds 3 Pro SpecsOnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

The reviewed exact manufacturer sources establish open-back dynamic construction but do not explicitly state whether active noise cancellation is present or absent. Acoustic mesh, an absorber or an omitted ANC control does not establish ANC=false. · Manufacturer specification

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
YesNot listed by the manufacturer
Find My Earbuds
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Available on all OnePlus phones and in the HeyMelody app.

OnePlus (UK) — OnePlus Nord Buds 3 Pro overview
Sennheiser HD 650

No source recorded.

YesNot provided
Companion app
Sources
Sennheiser HD 650

No source recorded.

Wireless Earphones app (OnePlus phones) or HeyMelody app (Android/iOS): custom settings and OTA upgradesNot provided
Earbud controls
Sources
OnePlus Nord Buds 3 Pro

Manufacturer specification · Where several actions are listed for a gesture, they are options; the specification page lists Custom Settings supported by the Wireless Earphones / HeyMelody app.

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs
Sennheiser HD 650

No source recorded.

Touch control: single tap none (default) or play/pause; double tap play/pause, previous, next, voice assistant or game mode; triple tap previous, next, voice assistant or game mode; touch and hold noise cancellation / Transparency; long touch and hold none (default), volume up or volume downNot provided
Supplied 3.5 mm adapter
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Manual package contents explicitly includes a 6.35 mm-to-3.5 mm stereo adapter.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
Not providedYes
Static magnetic field at the surface
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification · Static magnetic field at the headphone surface.

Sennheiser HD 650 — manufacturer specificationsSennheiser HD 650 — exact UK article and product details
Not provided1.8 mT
Operating temperature
Sources
OnePlus Nord Buds 3 Pro

No source recorded.

Sennheiser HD 650

Manufacturer specification

Sennheiser HD 650 — manufacturer specifications
Not provided−10 °C to +55 °C
First product manufacturer sourceSecond product manufacturer source
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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.