The Craig tower speaker system provides quality audio from your iPod®, iPhone®, iPad® or other audio devices, as well as provides digital FM radio. Built-In sub-woofer (20W RMS) and 4 high powered speaker (4 x 5w RMS) system, total output power: 40W RMS. Digital volume control, digital FM radio (preset 20 stations), ready light and blue source lights. Aux In Audio for TV and other devices (left and right audio jacks). Aux in - plays all audio device through 3.5mm aux in jack. Video out jack. Remote control the iPod®/iPhone®/iPad® function. AC operated.