Features: - Clips comfortably to your clothes - Uncomplicated single button control - Enchanced voice clarity makes it easy to chat - Multitude of features - Adjustable volume - Rechargeable battery - Works with compatible Bluetooth phones Specifications: - Bluetooth specification v1.2 class 2 - Supports Bluetooth headset & handsfree profiles - Rechargeable 120 mAh li-polymer battery - Talk Time: up to 6 hours^ - Standby Time: up to 150 hours^ - Nominal Charging Time: 3 hours - Compatible i.Tech 110 ~ 240Vac switching power charger