Specifications:

Bluetooth V3.0,Class II 

Up to 10 meters in working distance (open space)

Bluetooh profile: HFP,HSP,A2DP

Up to 4 hours of talk time

Up to 3 hours of music playback time

Up to 100 hours standby time

SuperMINI size & light weight

with universal micro USB charging contact

Multipoint for 2 phones connection

Voice promt in English

Battery meter on Iphone