1, Advanced ARM11 Architecture 2, Windows CE 6.0 Operation System 3 ... depends on compatibility with the mobile phone). Specification: -TFT LCD Digital Screen, 800x480 Resolution, Touch Screen-Built-in GPS, ... for iPod Nano,Shuffle 3, iTouch, iPhone etc)-Digital TV is optional-MP3/MP4 player, RMVB, RM ... output: 45Wx4 Resistance: 4ohms -Media Format Video: MPEG1/2, MPEG4, WMW etc Audio: MP3, MP4, WMA, ...