The CA-491 portable iPod docking speakers by Cyber Acoustics are compact and portable, yet provide the same big sound full-sized stereos produce. This six-watt system features a two-way speaker system with extreme bass and is ideal for the active person who is constantly on-the-go. It is specifically designed for use with iPod and comes complete with all docking inserts to fit any iPod (excluding Shuffle and 3G). The docking speakers will charge the iPod as it"s docked so it"ll never have a low battery. The dual power speakers run on AC power or the built-in rechargeable battery system. The CA-491 includes a full function remote control.