Operating mode: Touch control B22-D151
Chip:AB5756
Bluetooth version: 5.4
Charging connector:TYPE-C
Earphone speaker material: F10 real copper ring
Earphone battery capacity/model:28mA/400911
Battery capacity/model:200mA/502030
Transmission distance:>10meters
Calling/Pause Duration: >4 hours/3-4 hours
Tip: English and Chinese can be switched