Bluetooth Specifications:Version1.2,Class2,10Meters

Bluetooth Profile Supported:Headset&Hands-Free Profiles

Operating Frequency Band:2.402to2.480GHz unlicensed ISM band

Battery:3.7VDC,850mAh,

AC/DCChargerr:DC5to6V,300mA

Normal Charge time:3hrs,(approx)

Talk time:8 to 10 hrs

Standby time:200hrs

Dimension:93*58*25