Bluetooth Version: 4.1
Support model: HFP.HSP.A2DP.AVRCP.APTX
Support to link two phones at the same time.
Standby Time: 180 hours
Duration: about 5 hours in medium volume
Connection Distance: within 10 Meters
Voltage: DC4.3V-5V
Interface:MICRO USB
Air Tube Material: PU
