Bluetooth Profiles:	HSP, HFP, A2DP, AVRCP
Chipset :	6976D8
Earphone Input:	5.2V,40mA*2
Battery type:	Lithium Battery
Charging Case Input:	5.2V, 300mA
Impedance:	32Ω
Frequency Range:	20Hz-20Khz
Charging Time:	1.5 Hours
Operating Distance:	<10m
Playing Time:	5-6 hours
Earbuds Battery Capacity:	40mAh*2 Charging Case Battery
Capacity:	300mAh