Bluetooth Specification: Version 1.2

　　Bluetooth Profile Supported: Headset and Handfree Profiles

　　Range of Frequency: 2.4GHZ Spectrum

　　Nominal Charging Time: 3Hours

　　Talking Time: Up to 5Hours

　　Standby Time: Up to 100Hours

　　Rang: 10meters

　　Ear compactibility adjustable for both ear

　　Battery: Rechargeable li_ion low battery indicator