Material: ABS
Bluetooth Version/chipset:V5.3/JL 6973D4
Transmission Distance:≥10m
Working Voltage:3.1V-4.2V
Impendance:16Ω ± 10%
Speaker Power:3mW
Earbud /charging case Battery (mAh):25mAh//230mAh
Charging Time : 1H
Calling : 3H
Music Play : H
Standby:180 days