Nothing Headphone (1) Pro / Sony WH-CH720N

Nothing Headphone (1) Pro: B192 · white

Sony WH-CH720N: WH-CH720N closed over-ear wireless headphones; black, white, blue and pink. The WH-CH710N (previous generation), WH-CH520 (no ANC) and the WH-1000X series are separate models.

SpecificationNothing Headphone (1) ProSony WH-CH720N
Release year20262023
ModelB192 Nothing—
Release year2026; available at announcement Nothing—
Drivers / earcup40 mm dynamic + 13 × 8 mm dynamic + 3.2 × 6 × 1.15 mm xMEMS Nothing—
Rated frequency range20 Hz–40 kHz Nothing—
Dimensions / weight190.2 × 174.4 × 78 mm; 327 g Nothing—
Carrying case383.5 g Nothing—
Battery1060 mAh; approximately 2 hours to charge NothingMusic up to 35 hours with NC on, 50 hours off; calls up to 35 hours NC on, 40 hours off; about 3.5 hours to charge over USB Sony
Bluetooth6.1 Nothing—
Music codecsAAC, SBC, LDAC; LC3 for Broadcast Audio only Nothing—
USB-C audioLossless up to 24-bit / 192 kHz

Requires compatible source and content; Bluetooth LDAC is not lossless.

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3.5 mm inputManufacturer specifies source audio up to 24-bit / 96 kHz

The analogue cable itself has no digital bit rate.

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AAC battery lifeUp to 68 hours ANC off; 30 on

Manufacturer lab: 25 °C, 50% volume, other settings at defaults.

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LDAC battery lifeUp to 53 hours ANC off; 28 on Nothing—
Quick charge5 minutes → AAC: up to 4 hours ANC off; 2 on

25 °C, 50% volume; actual runtime depends on use.

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Charging inputUSB-C; up to 5 W Nothing—
Noise cancellationHybrid adaptive ANC; 10 microphones

46 dB is a manufacturer lab maximum, not equal attenuation at every frequency.

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Body / cushionsAluminium alloy, titanium arms, tempered glass; PU leather and memory foam Nothing—
ProtectionIP52; not for swimming or showering

Immersion damage is excluded from warranty. Wipe dry before returning wet headphones to the case.

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Dual connectionEnable in Nothing X; off by default Nothing—
Flat EQPhysical switch on the left earcup

Disables transparency, spatial audio and other EQ settings; ANC remains selectable.

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AuracastReceive compatible broadcasts and rebroadcast a Bluetooth source

Receivers need Auracast; the source phone does not.

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ControlsRoller: volume/playback; Paddle: tracks; customisable button Nothing—
Idle behaviour30 minutes idle and unworn → sleep; no automatic power-off Nothing—
Noise cancelling—Active noise cancelling with Integrated Processor V1 and Dual Noise Sensor; Ambient Sound mode

Microphones inside and outside each cup sample noise to generate an inverse signal; Ambient Sound mode lets you hear surroundings without removing the headphones.

Sony
Driver and frequency—30 mm dynamic driver; 7–20,000 Hz (JEITA); 20–20,000 Hz over Bluetooth (44.1 kHz) Sony
Bluetooth and codecs—Bluetooth 5.2; A2DP, AVRCP, HFP, HSP; SBC and AAC; about 10 m range

AAC works well as the default codec on iPhones; no high-bitrate codec is listed.

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Multipoint—Connection to two Bluetooth devices at the same time

For example, you can switch between a phone and a laptop without re-pairing.

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Wired use—Detachable cable of about 1.2 m with gold-plated L-shaped 3.5 mm plug; passive operation

When the battery runs out you can keep listening passively over the cable.

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Microphone and processing—Precise Voice Pickup beamforming mic; wind noise reduction structure; DSEE

DSEE tries to restore high frequencies lost in compressed music files.

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Impedance and sensitivity—NC on 325 Ω / off 31 Ω (1 kHz); NC on 108 dB/mW / off 99 dB/mW Sony
Weight—About 192 g Sony