Sony WH-CH520 Wireless Bluetooth Headphones with Mic, Up to 50Hrs Battery-Beige

Summary PRICE WHAT’S IN THE BOX USB Cable Size and Weight WEIGHT Approx. 147 g General Features HEADPHONE TYPE Closed DRIVER UNIT 30mm FREQUENCY RESPONSE (BLUETOOTH® COMMUNICATION) 20 Hz–20,000 Hz (44.1 kHz Sampling) VOLUME CONTROL Yes INPUT(S) No DSEE Extreme No DSEE HX No DSEE Yes S-Master HX No PASSIVE OPERATION No AMBIENT SOUND MODE No Battery BATTERY CHARGE TIME Approx. 3 H BATTERY CHARGE METHOD USB (Type-C) BATTERY LIFE(CONTINUOUS COMMUNICATION TIME) Max. 40 H BATTERY LIFE (WAITING TIME) Max. 200 H Bluetooth® Specification BLUETOOTH® VERSION Bluetooth Specification Version 5.2 EFFECTIVE RANGE 10 m FREQUENCY RANGE 2.4 GHz band (2.4000 GHz–2.4835 GHz) PROFILE A2DP, AVRCP, HFP, HSP SUPPORTED AUDIO FORMAT(S) SBC, AAC SUPPORTED CONTENT PROTECTION SCMS-T https://www.sony.co.in/headphones/products/wh-ch520/spec?view=plaintext