BT Version: V4.2

Materials: ABS

Impedance:32Ω

Support: BT, Calling, TF, AUX, USB

Receiver Distance: Up to 10 meters

Speaker: Ø45mm,4Ω/3W

Battery voltage: 400mAH

Charging: USB2.0

Playing Time: 2-3hours

Charging Time: 2 hours

Color: Black, Blue,Red,Gray,Green