Interface type : USB2.0
Support  protocol :bluetooth V 2.0 , compatible to V1.2,V1.1,V1.0
Available scope : up to 10 meters
Standby time :200hours
Talking time :7hours 
Color : Black
Weight:11g
Measures:36mm*18mm*9mm
Recharge time ;2to 3hours
Standard accessaries : package , charger , manual