1. CPU:RK2818 ARM 600MHz+DSP550M, Dual Cores. 2. Operation System£ºAndroid 2.3 3. RAM/NAND FLASH: DDRII 256MB/4GB 4. LCD: 7" Resistive high resolution TFT touch panel LCD display, 800 x 480 pixel resolution at 160k color, with Track Ball Navigation 5. Wi-Fi: SWL-2480 802.11b/g, Max54Mbps, Max100m, 2.4GHz 6. 3G format support: Support external TD,WCDMA,EVDO USB Dongle 7. E-book reader: TXT,LRC,PDF,Html,Htm,EPUB, etc 8. Power Supply: Built-in 3.7V@3800mAH Lithium rechargeable battery, Max. 6hrs playing time. 9. Multi- languages: Chinese, English, Japanese, French, German, Spanish, etc 10.WI-FI,3G,Music,HDMIPicture,Email,Online Chat,Game,Google Map,Music,Video,Picture,E-Book¡¡etc function. 11 Support MINI HDMI 12 Have track ball navigation 13.built-in 4GB-32GB Flash memory(opetional) .