Black Ultimate Portable Rectangular Mini Bluetooth Speaker with Built-in Mic, Full Control Buttons, AUX Stereo Input, Rechargeable and Removable Battery Use for any Smartphones, iPhone, Android, Tablets, Computers and any Devices with Bluetooth (and more) Bluetooth 3.0 | Stereo AUX Built-in microphone to answer calls with Answer, Play/Pause, Previous/Vol.down and Next/Vol. up Track buttons. 3 Hours of Working Time |10 meters / 30 feet range |Comes with detachable rechargeable lithium battery Comes with a Micro-USB Cable that recharges the battery and a stereo cable to paly music with Non-Bluetooth devices.