Built-in Bluetooth(R) for music streaming; Works with iPad(R), iPhone(R), Android(TM) smartphone, tablet or PC; Combines & mixes 2 aux input sources with Bluetooth(R) audio or MP3s; Aux inputs switchable between line level & phono input; 2 phono RCA audio line inputs for connecting external devices; Two 1/4″ balanced TRS microphone input jacks; 1/4″ headphone jack with volume control; Microphone talkover–ability to speak over audio, karaoke style; L & R amp master output; USB flash drive reader; Independent channel controls & crossfader; Freq resp: 20Hz-20kHz; Dim: 2.36″H x 9.25″W x 5.31″D; Weight: 2.09lbs;