7 inch tablet dual core a20 1gb/4gb android tablet pc Dual core a20 System google android 4.1 Language multi language Cpu allwinner a20 dual-core, arm cortex a7@1.0ghz Ram 1g ddr3 Nand flash 8gb 7" screen 1024*600 Touch panel capacitive multi-touch screen(5 point) ), tp: g+g I/o port 1*usb 1* tf card: max. 32gb 1 * 3.5mm stero 1*mini hdmi 1.3, max 1080p 1 * dc 5v Speaker 8|¸ /1w high stero speaker *1 Mic bulit in mic Wifi 802.11b/g/n wireless internet Bluetooth support( bt2.1) optional plus $2.40/pcs 3g usb 3g dongle, evo/wcdma Camera front 0.3m pixel+back 2.0m pixel Video vp8, rmvb, rm, mov, mpg, mp4, avi, 3gp, dat, flv, mkv etc. (max 1080p @30fps) Audio mp3, wma, flac, aac, ogg, wav, ape Photo jpeg, bmp, gif, png 3d e-book txt, epub, pdf, word, excel, powerpoints Battery 3.7v/2800ma poly battery, working time: about 4 hours Working time wifi internet: about 3-4h Adapter input: ac100-240v. 50-60hz, output: dc5v 2a 7inch, 350g