Model Name: BT10
Bluetooth version:V5.3
Working distance:up to10M
Water resistance:IPX4
Power Input:DC 5V/500mA
Earbud battery capacity:3.7 V/2*35 mAh
Charging case battery capacity:3.7V/300 mAh
Music Play time:about 4.5 hours(Medium volume)
Charging time:about 60 minutes(Earphones) / about 1.5 hours(Charging case)
Charging case to charge the earphones:2 times
Weight:3.9g (Earphone) / 42g (Charging case)
Size:33.5*17*16mm(earphone) / 57.5*53*25.7mm(Charging case)
USB Charging Interface:USB-C