Bluetooth Version:V5.0+EDR
Operating Voltage: DC 2.2V-5.5V
Effective Distance: barrier-free 10M
Nominal Impedance: 32Ω
Battery Capacity: 50mA
Charging Case:350mah
Charge Input: 5V /1A
Charge Time: about 1h
Use Time: call 3-4h; music playing 3-4h;
Standby Time: 100hours
Headset Weight: about 4.5g