UK WHCH720NB.CE7 · Black
Manufacturer specifications for Sony WH-CH720N, part WHCH720NB.CE7, listed by Sony UK.
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Specifications checked 19 Oct 2026Manufacturer specifications, not a hands-on test.
The nearest checked headphones by key specifications, with what differs from the Sony WH-CH720N · Black. The first matches the Compare button above.
Sony WH-CH730N · BlackUK WHCH730NB.CE7 · Black
Sony WH-CH730N · BlueUK WHCH730NL.CE7 · Blue
Sony WH-CH730N · PinkUK WHCH730NP.CE7 · PinkThe manufacturer identifies this exact regional configuration and supplies its own product image.
These are manufacturer claims. Unlisted capabilities remain unknown, and battery modes, headphone mass and separate charging-case measurements retain their source conditions.
Exact configuration: UK WHCH720NB.CE7 · Black
29 specifications in 6 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”. 1 row repeats a listed fact in the manufacturer’s own wording, kept under “Manufacturer wording”.
General Features / HEADPHONE TYPE: Closed
SourceGeneral Features / WEARING STYLE: Over Ear
SourceSize & Weight / WEIGHT: Approx. 192 g
SourceLiteral manufacturer model-column row: COLOUR: Pink Blue White Black. These are model-wide finish options; the exact selected part’s finish is listed separately.
SourceExact selected manufacturer part’s finish, not every colour offered for the model.
SourceOriginal analogue/USB inputs and Bluetooth version declarations remain separate. A connector does not establish every host protocol or a microphone path. General Features / PLUG: Gold-plated L-shaped stereo mini plug; General Features / INPUT(S): Stereo Mini Jack; Bluetooth® Specification / BLUETOOTH® VERSION: Bluetooth Specification Version 5.2
SourceMusic playback, communication, waiting, charging and NC modes retain their separate source labels. A communication figure is not music-playback endurance; charging-case endurance is separate. Battery / BATTERY CHARGE TIME: Approx. 3.5 hrs; Battery / BATTERY CHARGE METHOD: USB; Battery / BATTERY LIFE(CONTINUOUS MUSIC PLAYBACK TIME): Max. 35 hrs (NC ON) , Max. 50 hrs (NC OFF); Battery / BATTERY LIFE(CONTINUOUS COMMUNICATION TIME): Max. 35 hrs (NC ON) , Max. 40 hrs (NC OFF)
SourceBluetooth® Specification / SUPPORTED AUDIO FORMAT(S): SBC, AAC
SourceBluetooth® Specification / PROFILE: A2DP, AVRCP, HFP, HSP
SourceBluetooth® Specification / BLUETOOTH® VERSION: Bluetooth Specification Version 5.2. A version alone does not establish every optional protocol or host feature.
SourceGeneral Features / PASSIVE OPERATION: Yes
SourceLiteral manufacturer model-column row: General Features / CORD TYPE: Single-sided (detachable)
SourceLiteral manufacturer model-column row: General Features / CORD LENGTH: approx. 1.2 m
SourceLiteral manufacturer model-column row: Bluetooth® Specification / EFFECTIVE RANGE: Approx. 10 m
SourceLiteral manufacturer model-column row: Bluetooth® Specification / FREQUENCY RANGE: 2.4 GHz band (2.400 0 GHz - 2.483 5 GHz)
SourceLiteral manufacturer model-column row: Bluetooth® Specification / SUPPORTED CONTENT PROTECTION: SCMS-T
SourceThe source does not supply one unqualified nominal impedance. Its operating-state declarations remain separately available.
SourceGeneral Features / SENSITIVITIES (DB/MW): 108 dB / mW (when connecting via the headphone cable with the unit turned on) , 99 dB / mW (when connecting via the headphone cable with the unit turned off). Preserve the manufacturer’s dB/mW reference; no dB/V or independent measurement is substituted.
SourceGeneral Features / FREQUENCY RESPONSE: 7 Hz - 20 000 Hz (JEITA)
SourceGeneral Features / FREQUENCY RESPONSE(BLUETOOTH® COMMUNICATION): 20 Hz - 20 000 Hz (Sampling frequency 44.1 kHz)
SourceGeneral Features / DRIVER UNIT: Dynamic, 30 mm
SourceGeneral Features / IMPEDANCE (OHM): 325 ohms (1 kHz) (when connecting via the headphone cable with the unit turned on) , 31 ohms (1 kHz) (when connecting via the headphone cable with the unit turned off)
SourceLiteral manufacturer model-column row: General Features / DSEE: Yes
SourceThe same facts in the manufacturer’s combined or original wording, each with its source.
Literal manufacturer model-column row: General Features / FREQUENCY RESPONSE (ACTIVE OPERATION): 7 Hz - 20 000 Hz (JEITA)
SourceNoise Cancelling with Dual Noise Sensor technology and the Integrated Processor V1
SourceNot listed by the manufacturer in the captured full model specifications and exact-variant declarations.
SourceLiteral manufacturer model-column row: General Features / AMBIENT SOUND MODE: Yes
SourceLiteral manufacturer model-column row: Noise Cancelling / AMBIENT SOUND MODE: Yes
SourceLiteral manufacturer model-column row: General Features / VOLUME CONTROL: Yes
SourceLiteral manufacturer model-column row: Summary / WHAT'S IN THE BOX: Connection Cable USB Cable
SourceMore of the nearest checked headphones by key specifications, for a side-by-side comparison.
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Sony WH-CH730NUK WHCH730NC.CE7 · BeigeCompare the two 
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