Support Bluetooth protocols
HSP,HFP,A2DP,AVRCP,SPP
Noise cancellation
Dual Mic dynamic Noise cancellation
Microphone type
Dual omnidirectional-42dB microphone
Standby time with Bluetooth adapters
8 hours
Standby time with cell phones
55 hours
Talk time with Bluetooth adapter
6.6 hours
Charging time
About 2hours
Battery type
Rechargeable Li-polymer battery