Cyanics Bluetooth 3.0 Speaker, Headphone Adapter Receiver, Wireless Clip-on with Built-in Mic (Black) Enjoy wireless stereo music, hands-free calls and built in external speaker all in one. Combines a compact Bluetooth device that easily clips onto hats, belts, bags, clothing, and more Connects wirelessly to your Bluetooth-enabled devices including smartphone, tablet PC, MP3 and more Remote control your music--play, pause, stop, skip track (phone dependent) Music Play time: Up to 5 hours. Speaker Output: 0.9 watts, Stand-By time: Up to 200 hours