JBL on Stage Micro III Portable iPod Speaker Dock (Black)

Frequency range: 110Hz - 20kHz
Compatibility: all docking versions of iPod (including iPod nano G3, iPod classic, iPod touch), iPhone, MP3 and CD players, and desktop and laptop computers (all platforms)
Inputs: iPod and iPhone dock / 3.5mm stereo mini-jack / USB
included IR remote navigates iPod menus from up to 15ft away
Power: 6V DC, 1.5A / 4x AAA NiMh or alkaline batteries
Transducers: dual 1" JBL Odyssey transducers