WH-CH720 White

Enjoy all-day, noise-free comfort

Thanks to noise-reduction technology, ultra-light design and long battery life, you can enjoy your music for longer, without interruption.

Weight and dimensions
Weight approx. 192 g

General features
Headphone type Closed
Dynamic diaphragm, 30 mm
Impedance (ohm) 325 ohms (1 kHz) (connection via headphone cable, with unit switched on), 31 ohms (1 kHz) (connection via headphone cable, with unit switched off)
Frequency response 7 Hz - 20,000 Hz (JEITA)
Frequency response (active operation)7 Hz - 20,000 Hz (JEITA)
Frequency response (Bluetooth® communication) 20 Hz - 20,000 Hz (sampling frequency : 44.1 kHz) Sensitivities (dB/mW) 108 dB/mW (connection via headphone cable, with unit switched on), 99 dB/mW (connection via headphone cable, with unit switched off)
Volume control Yes
Cord type Unilateral (removable)
Cord length Approx. 1.2 m
Gold-plated, L-shaped stereo mini plug.
Stereo minijack input(s)
Earhook style
DSEE Yes
Passive operationYes
AMBIENT NOISE MODE Yes

Battery
Battery charge time Approx. 3.5 h
USB battery charging method
Battery life (continuous music playback time) 35 hours max. (noise reduction on), max. 50 hours (noise reduction off)
BATTERY AUTONOMY (CONTINUOUS CONVERSATION) max. 35 hours (noise reduction on), max. 40 hours (noise reduction off)

Bluetooth® specification
Bluetooth® version Bluetooth® specification version 5.2
Effective range Approx. 10 m
Frequency range2.4 GHz band (2.4000 GHz - 2.4835 GHz)
Profile A2DP, AVRCP, HFP, HSP
Supported audio format(s) SBC, AAC
Content protection supportSCMS-T
Noise reduction system
Ambient noise mode Yes