Bluetooth Version	v5.1
Bluetooth Profiles	HSP / HFP / A2DP AVRCP/AAC
Earphone Input	5V,40mA
Battery type:	Li- polymer
Charging Case Input	5V/100~180mA
Impedance	32 Ω ±15%
Bluetooth Frequency Range	2.4GHz－2.48GHz
Charging Time	2 hours
Charging Case Battery Capacity	230mAh
Earbuds Battery Capacity	40mAh*2
Operating Distance	<10m
Playing Time	5 hours
Standby Time	300 Hours
RF Output Power	<=20dBm