AirDots Pro Wireless Bluetooth 5.0

Wireless Earphone Weight: Approx. Size: 35.4g (Without Earphones) Wifi: FreeTalk / Advanced Audio Distribution / Headphone Function / Bluetooth Video Control 5.0: Frequency Response: 20Hz - 20kHz Operator Type: Dynamic Capacity: 50mAh per headset Music Play Time: 5 Hours Standby time: 11 2 hours charging case: 300mAh Li-ion battery.