Specification: 1.) Display: 7" TFT LCD with touch screen,480?34pixel 2.) CPU: ARM9, 400 Mhz 3.) Operation System: Linux 4.) GPS Module: SIRF StarIII, 20 channels 5.) Nan Flash Rom: 64MB/128MB/256MB 6.) Expansion card: SD/MMC 7.) USB: 2.0 Full-Speed 8.) Audio/Video Format: MP3, WMA, WAV / WMV, MP4, ASF, AVI 9.) Photo Format: GIF, JPEG, PNG, BMP 10.) E-book reader: TXT 11.) Additional functions: Video player, audio player, picture browsing, FM transmit 12.) Battery: 2400mAH Li-Polymer Battery 13.) AC adapter: 5V, 2A Current 14.) Car adapter: 5V, 2A Current