Headphones Sony WH-CH520B Bluetooth Black

Weight: Approx. 147g General Features Headphone Type: Closed Driver Unit: 30mm Frequency Response(Bluetooth® Communication): 20Hz-20, 000Hz (44.1kHz 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. 3H Battery Charge Method: USB (Type-C) BATTERY LIFE(CONTINUOUS COMMUNICATION TIME): Max. 40H Battery Life(Waiting Time): Max. 200H Bluetooth® Specification Bluetooth® version: Bluetooth Specification Version5.2 Effective Range: 10m Frequency Range: 2.4GHz band (2.4000GHz-2.4835GHz) Profile: A2DP, AVRCP, HFP, HSP Supported Audio Format(s): SBC, AAC Supported Content Protection: SCMS-T https://electronics.sony.com/audio/headphones/headband/p/whch520-b?srsltid=AfmBOorx-1sSTez-NgTdSFBCopjkrx2X50uTcOZDN6omJOeeuOHZCzT6