Sony WH-CH720N Noise Canceling Wireless Over the Ear Headphones

Features

Noise Canceling with Dual Noise Sensor technology and the Integrated Processor V1.
Super-comfortable lightweight design.
All-day listening with up to 35 hours of battery life.
DSEE™ restores high-frequency sound and fine fade-out sound lost in compression.
Easy and clear hands-free calling and voice assistant with wake word.

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
DSEE: Yes
PASSIVE OPERATION: Yes
AMBIENT SOUND MODE: Yes
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® 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
AMBIENT SOUND MODE: Yes
WEIGHT: Approx. 192 g