100% working with great sound. AC or battery powered. Portable (20x9x9.5in) with stainless carrying handle or use stationary. Has AUX and USB port. 30 pin Apple connector. USB port synchronizes ipod/iphone to computer or provides video to monitor or TV. Includes remote control, power brick and manual Produces excellent DSP optimized Harman Kardon sound, using Ridge/Atlas independently driven tweeters and woofers. Woofers are 2x30w while tweeters are 2x15w Contact with a fair price offer to purchase