Docks ipod/iphone for portable sound. Sync with computer and output video to TV from dock via built in USB port. USB port also provides power for charging. Also connects any other sound device via AUX input for portable sound Works perfectly Excellent Harman Kardon sound Digital signal processing optimized performance Ridge and Atlas transducers with independently amplified woofers (2x30watts) and tweeters (2x15watts) 30 pin apple connector Operates on battery or AC power adapter (adapter included) Sleek stainless steel carrying handle Size: About 20x9x9.5 inches Includes multi-function remote control Includes user manual Does NOT include ipod nor iphone Selling to best offer