Sony WF-C710N / Sony WH-CH720N

Sony WF-C710N: WF-C710N · Glass Blue (LZ); other colours share the same hardware

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.

SpecificationSony WF-C710NSony WH-CH720N
Release year20252023
TypeTrue wireless in-ear earbuds, active noise cancelling Sony—
Driver5 mm Sony—
Frequency response20–20,000 Hz (Bluetooth, 44.1 kHz sampling) Sony—
Battery (music)Up to 8.5 hours with noise cancelling on, up to 12 hours with it off

The figures are for one charge of the earbuds; total time with the case is not listed on Sony's page.

Sony		—
Battery (calls)Up to 4.5 hours (noise cancelling on or off) Sony—
Charging timeEarbuds about 1.5 hours; case about 3.5 hours over USB

Wireless charging is not listed for the case.

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BluetoothBluetooth 5.3; 2.4 GHz, about 10 m effective range Sony—
CodecsSBC, AAC

There is no LDAC or aptX; AAC is a common codec that works well with iPhones and most Android phones.

Sony		—
ProfilesA2DP, AVRCP, HFP, HSP Sony—
MultipointMultipoint supported

The earbuds stay connected to two devices at once, so a phone call can be answered while listening on a computer.

Sony		Connection to two Bluetooth devices at the same time

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

Sony
Ambient soundAmbient Sound and Quick Attention modes; DSEE

Quick Attention lowers the music and lets outside sound in while a finger is held on the earbud. DSEE aims to restore high frequencies lost in compressed music.

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Water resistanceIPX4

IPX4 protects against splashing water; the earbuds should not be submerged.

Sony		—
WeightAbout 5.2 g per earbud (with medium tips); case about 38 g SonyAbout 192 g Sony
ColoursPink, blue (translucent Glass Blue), white, black Sony—
In the boxCharging case, hybrid silicone ear tips, reference guide, USB cable Sony—
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.

Sony
Battery—Music 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
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.

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

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

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