Bluetooth Version	v5.0
Bluetooth Chipset	Airoha AB1522S
Bluetooth Profile	HFP, HSP, A2DP
Input	5V
Impedance	6Ω
Working Frequency	20Hz-20KHz
Battery Capacity	80mAh
Usage Time	4-5 hours
Standby Time	180 hours
Charging Time	1.5 -2hours
Operating Distance	8-10m