Play and charge your ipod touch, ipod nano, ipod classic, ipod (5th generation), ipod (4th generation), and ipod mini (ipod not included). Audio line-in for connecting ipod shuffle, mp3 or other digital audio player. Multi-function back-lit lcd display. Digital fm stereo receiver. Bass boost. Digital volume control. Alarm clock with snooze and sleep. Wake to radio, alarm or ipod. Mini usb port for ipod and pc connection. Remote control for radio and ipod functions. Power: ac adaptable (ac adaptor included). 4 'aa' (um-3, not included). Battery back-up for clock: 1 x cr2032 lithium battery (included). Remote control: 1 x cr2032 lithium battery (included). Output: 2 x 2w rms. Size: 4-5/8"(h) x 8-5/8"(w) x 2-3/8"(d).