Specification
Impedance: 32R
Bluetooth: 4.2
Power: 2.402GHMZ-2.48GHMZ
Bluetooth Distance: 10 M
Working Voltage: 3.7V-4.2V
Talk Time: 4 H
Music Time: 1.5 H
Standby Time: 48 H
Charging Time: 1 H
Bluetooth Battery Capacity:> 35mAh
Charging Box Battery Capacity:> 100mAh
Package Incudes
1*Earphone   
1*Charging Box
1*Charging Line
1*Earphone Hat
1*Manual