We offer 7 inch wifi. Hardware screen 7-inch lcd-tft capacitive, multi-touch screen (5 points touch) 800*480 cpu processor dual core atm at 1.5 ghz, dual core-processor , cortex a9 built-in ram 1 gb built-in rom 8gb . 2d3d graphics accelerator mali-400 320mb 2d3d graphic accelerator with 3d open gl es 2.0 g-sensor 360 degree gravity induction tf micro sd card slot support max.32gb external micro sd tf card speaker built-in mono speaker ( approx, 20*30*4.2mmï¼�8î©1w) microphone built-in microphone camera dual camera 0.3 pixel and 2.0 mega pixel built-in wifi 802.11 bgn built-in bluetooth not applicable built-in gps not applicable 3g external external 3g usb dongle support 3g usb dongle format of wcdma, td-cdma, evdo interface inputoutput port mini usb ; mirco sd tf card slot ; dc in ; earhone jack. battery & power supply built-in 3.7v@33000mah rechargeable lithium polymer battery life for 3~4hours video play. extermal power switching adaptor: input:ac100~240v 5060hz; output: dc 5v2a software operation system android 4.4 ( support adobe flash newest version ) audio playback mp1, mp2, mp3, wma, wav, ogg, oga, ape, flac, aac, m4a, 3gpp, etc audio formats and multi eq modes. video playback max avi, mpg, mkv, rm, rmvb, mp4, mov, vob, dat, flv, ts, 3gp , webm(vp8), etc. Video formats support 4:3 16:9 and full screen video play mode . record format wav format photo viewer max 8000*8000 jpeg, jpg , bmp, gif , jpg , etc. Picture formats. e-book reader adobe pdf, txt, lrc, pdf, html, epub, etc. Formats. explorer function support file list and relative copy etc. Functions. internet explorer ie browser and online downlonad function . third-party software supported wordexcel, powerpoint, adobe reader, gmail, im(msngtalk), facebook, youtube, twitter, google play market, etc.