The Polaroid Crystal Design Bluetooth Headset allows you to answer or make calls wirelessly without taking your mobile phone out. The PBT310PNK headset includes redial, volume control, and mute functions. Supports HSP and HFP profiles and multi-point technology allows you to seamlessly switch between two Bluetooth mobile phones. Contains a built-in Li-polymer rechargeable battery which provides standby time up to 180 hours and continuous talking time up to 10 hours. Compliant with Bluetooth v2.1 and provides a communication range up to 33 feet.