Specification:
Bluetooth Version 5.0
Music Time: 8hrs , Calling Time:9hrs
Battery Capacity 300mah for the base.
Noise canceling: 25+/-3dB
Driver Unit: 40 mm
Sensitivity: 95dB S.P.L at 1KHz
Impedance: 32Ω
Frequency Range: 20Hz - 20kHz
Maximum input Power: 100 mW
Accessory:
1x USB charging cable
1x 3.5mm Audio cable