Full duplex sound
Built-in microphone
LED indication
Bluetooth version : 4.0
Transmit power : Class 2
Chipset : CSR
SBC decoder support : A2DP, AVRCP, HSP, HFP
Mode : HFP1.6, HSP, CVC6.0, HD Voice, Voice Prompts, A2DP, IOS BATTERY- STATE MONITOR, Multipoint Profile
RF frequency range : 2.4GHz
Bluetooth receiving distance : 10 meters (no obstruction)
Battery type : Li-Polymer
Battery capacity : 75mA/h
Normal charging time    : Max. 2 hours
Audio playback time : Up to 4.5 hours
Talk time : Up to 5 hours
Standby time : Up to 130 hours
Dimensions : 39.8 x 22.3 x 28.2 mm
Weight : 16g