Solution: Jerry 6973 Bluetooth version 5.2
Battery capacity earphone 50mAh charging bin 500mAh with protective board
Horn: graphene horn 6mm
Effective distance: ≥ 10M
Music Time: ≥5hrs
Standby time: 15 days
Charging time: earphone ≤ 1 hrs charging bin ≤ 3hrs
Call number: Supported
Power Display: Supported
Shell material: ABS/rubber oil
Color: white, black [customizable]]