FM can search for the channels automatically, it can store 5 channels, press the corresponding buttons then store the channels directly. Playing IPOD: it can control the IPOD front/next, forward/backward, pause, no need to press the buttons on IPOD. It can be charged while playing. AUX Inputs in standard 3.5mm stereo jack, it's compatible with different music sources, for example:MP3,CD,computer, ect. LCD blue display. Electronic control: turn/off and volume +/-. Power supply in 6*1.5V batteries, can play 12 hours continuously. Input: DC 10V 750mA. Output: 2*2W. Dimensions: 105*400*150 MM.