Kensington 33165 SX 2000 Speakers and Dock for iPod & iPod Nano NXT SurfaceSound bi-directional technology delivers remarkable sound from both the front and back. Produces superior frequency response at higher volumes than similar speaker systems. Fits almost anywhere--Just 16.2" wide, 7.2" tall and only 3.9" deep. Speakers play audio from other MP3 players, computers, etc. Recharges your iPod, iPod Nano, iPod Shuffle or iPod Mini while playing.