Sony WH-CH720N/PC Wireless Headphones (Pink)

Enjoy all-day comfort without the noise

WH-CH720N

With noise-canceling technology, a lightweight design and a long-lasting battery life you can enjoy your music for longer and without background interruptions.

General Features
HEADPHONE TYPE		Closed
DRIVER UNIT		Dynamic, 30 mm
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)
FREQUENCY RESPONSE		7–20,000 Hz (JEITA)
FREQUENCY RESPONSE (ACTIVE OPERATION)		7–20,000 Hz (JEITA)
FREQUENCY RESPONSE (BLUETOOTH® COMMUNICATION)		20–20,000 Hz (Sampling frequency 44.1 kHz)
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)
VOLUME CONTROL		Yes
CORD TYPE		Single-sided (detachable)
CORD LENGTH		Approx. 1.2 m
PLUG		Gold-plated L-shaped stereo mini plug
INPUT(S)		Stereo Mini Jack
WEARING STYLE		Over Ear
Digital Sound Enhancement Engine		Yes
PASSIVE OPERATION		Yes
AMBIENT SOUND MODE		Yes
Battery
BATTERY CHARGE TIME		Approx. 3.5 hrs
BATTERY CHARGE METHOD		USB
BATTERY LIFE (CONTINUOUS MUSIC PLAYBACK TIME)		Max. 35 hrs (NC ON) , Max. 50 hrs (NC OFF)
BATTERY LIFE (CONTINUOUS COMMUNICATION TIME)		Max. 35 hrs (NC ON) , Max. 40 hrs (NC OFF)
Bluetooth® Specification
BLUETOOTH® VERSION		Bluetooth Specification Version 5.2
EFFECTIVE RANGE		Approx. 10 m
FREQUENCY RANGE		2.4 GHz band (2.4000–2.4835 GHz)
PROFILE		A2DP, AVRCP, HFP, HSP
SUPPORTED AUDIO FORMAT(S)		SBC, AAC
SUPPORTED CONTENT PROTECTION		SCMS-T
Noise Cancelling
AMBIENT SOUND		Yes