1)Up to 200 hours standby time 2)Supports Bluetooth 1.2, Headset and Hands-Free Profiles 3)Pairs automatically with up to 8 devices 4)Approximately 5.5cm(length) x2cm(width) x 1cm(thickness) 5)Approximately 15g 6)Stationary Microphone Boom 7)Volume Orientation Technology 8)Removable Earhook for wear on either ear 9)Blue indicator LED light 10)Works with all Bluetooth enabled phones and devices.