Portable Stereo Speaker (Black) - Play Music Directly Off Your SD Card, MultiMediaCard or USB Flash Drive! Mobile Speaker w/Remote Control (Black/Silver) General Features: Black and silver exterior Let the music play with this portable speaker Pocket-sized compact Ultra-low stereo sound Secure Digital / MultiMediaCard Reader (Maximum support 2 GB) MP3 formats are playable USB Flash Drive Port Play / Pause button Previous / Volume - button Next / Volume + button 3.5 mm audio jack