Headphone Sony WH-CH520 Wireless black

 Headphone Sony WH-CH520 Wireless black 

* Headphone type: Closed.

* Driver Unit: 30mm.

* Frequency response (Bluetooth® communication): 20 Hz - 20,000 Hz (44.1 kHz sampling).

* Volume control: Yes.

* DSEE: Yes.

* Battery charging time: About 3 hours.

* Battery charging method: USB (USB-C).

* BATTERY LIFE (CONTINUOUS TALK TIME): Max. 40 hours.

* Battery life (standby time): Max. 200 hours.

* Bluetooth® Version: Bluetooth Specification Version 5.2.

* Operating range: 10 m.

* Frequency range: 2.4 GHz (2.4000-2.4835 GHz).

* Profiles: A2DP, AVRCP, HFP, HSP.

* Supported audio formats: SBC, AAC.

* Supported content protection: SCMS-T.