Blue tooth headset Certification,Fcc ce bqb Blue tooth specifications,Version 1.1 Blue tooth profile supported,Headset and hands free profiles Frequency range,2.4ghz spectrum Working distance range,10m Dimensions (main unit),68.5(l) x23.0 (w) x12.2 (h) mm Weight,12g Charging time,Within 2.5 hours Talking time,Up to 5 hours Standby time,Up to 200 hours Rechargeable battery,Lithium polymer, 3.6v, 150mah installed Battery protections,Over charge and over discharge protections Input current,60ma(internal controlled) Input voltage,Dc5v Speaker power,10mw(max.) Speaker impedance,32ohm Sensitivity of microphone,-64db
