Using bluetooth wireless technology means total freedom from the constraints and clutter of wires - on your Mobile phone, desktop, in your car...wherever the possibilities ... Product specification: Blue tooth Specification: Version 1.1 Blue tooth Profile Supported: Handset and Hands free Profiles Range of Frequency: 2.4 GHZ Spectrums Nominal Charging Time: Up to 2 hours Talk Time: Up to 6hours Standby Time: Up to 180 hours Range: Up to 10 metres Weigh: 16 grams