Material:Plastic + iron
Bluetooth Version:V5.3/AD-6973D4
Working Voltage:3.7v
Impedance:16Ω±15%
Speaker Power:3MW
Battery (mAh):Headset:30mAh Charging Box:230mAh
Charging Time:1.5H Calling:4H Music Play:5H Standby:130h
1.Wireless 5.3, low latency and stable connection
2.Comfortable fitting, excellent noise reduction
3.Smart touch control, tap to operate easily
4.Mini size, fine sound quality, enjoy your sleep