Take the tunes with you wherever you go with this thin profile Bluetooth speaker. The on-board volume and track controls, a USB/ micro SD media player, aux in jack, and microphone for hands free calling. Excellent sound reproduction for its slim size and is equipped with dual 1-1/2" high frequency drivers and dual bass radiators. USB/ micro SD media player supports MP3 and WAV files and aux in lets you quickly and easily connect to any portable source. Impressive Bluetooth clarity and range of operation. Built-in microphone for hands free speaker phone calling.