Bluetooth V4.2; 10W Sound Output; Media Shortcut Key; Up to 7 hrs of playtime; Includes a built in microphone; This Bytech Portable Speaker is fashionable and stylish. A Bluetooth speaker with universal compatibility for tablets, smartphones, and other Bluetooth enabled devices. Bluetooth connectivity allows you to wirelessly play and control your music from your devices and take calls hand-free directly through the speaker. Size 14.57" x 5.12" x 7.3", Battery 2000mha, MPN BC-AU-BS-187-BK, UNSPSC: 52161512