Bluetooth version: V5.0
Frequency response: 20Hz - 20 KHz
Impedance (Ohm): 32.0
Reception distance: up to 10 meters
Built-in rechargeable battery: 55mAh
(Charging box: 300mAH)
Music listening / talk time: up to 4 hours
Features: Bluetooth, call making, responsive microphone, easy to charge via USB port
Color: White
