Logic 3 i-Station Speaker for iPod and iPhone (Black) Watch music videos, movies and podcasts in portrait or landscape mode. Accelerometers to ensure correct L and R sound output when the i-Station is placed on its side. High performance speaker system for iPhone and iPod offering 8 RMS power output ( 2 x 4W per channel ), Composite Video Output for connecting to TV and a Remote Control to operate i-Station Speaker and simple functions of iPod. Powered by 2x AAA batteries or the car power plug (supplied) Stereo Line-in Cable for playing other audio devices including iPod shuffle, MP3, or CD players. Volume level display on iPhone / iPod screen and low battery indicator system. Operates using an AC Adaptor (Included) or 4 x AA Batteries