Built-in mic allows you to use it as a handsfree phone and is a perfect for conference calls., Speaker is easy to connect using A2DP V3.0 EDR and an operating range of 10M/33 feet, Built-in subwoofer that provides exceptional quality sound, Includes a USB cable for recharging and a 3.5mm audio jack for non-Bluetooth devices., Features three easy to use buttons on the top of the speaker - phone button to take calls, volume up and volume down., Turn any mobile device into a portable sound system,