The Super Mini Bluetooth Handsfree unit is currently the smallest of its kind in the world, and weighs only 0.4oz (approx). Features include a voice-dial function and mute button, as well as superlative sound quality. Its Li-Ion battery gives speaking time in excess of three hours, and a standby time of 100 hours. Recharge using the accompanying car charger. The bluetooth range is 10 meters (between cell phone and hands free device) and the unit is compatible with all bluetooth enabled PCs, PDAs and cell phones. Compact, light and stylish.