Technical Pro 72-ST1100 Professional Receiver - Stereo 1100 USB and SD Card Maximum Size: 32 GB, Plays .mp3, .wav, .wma files from USB Drives and SD Cards iPod Compatible USB input allows for direct connection with an iPod Records .wav files onto USB Flash Drive or SD Card from Tuner and RCA Inputs Bass Treble and Balance Controls, Dual Mic Inputs with Volume, Echo, and Tone Controls Repeat/Random Playback on USB/SD Card Inputs, Fluorescent Meter, FM Tuner, Remote Control, Aux Input