... 256MB, DDR2Storage: 512MB NAND flash (or 2GB +US$4.00)Card reader: supports external TF card (maximum capacity ... of 32GB)G-sensor: 4-dimension gravity sensingTouch panel: capacitive TFT touch screen, multi ... port: mini USB x 1, headphone jack x 1, Mic x 1, DC jack x 1, TF card slot x ... AC, 50 to 60Hz/output: 10V, 1.5ABattery: 4,200mAh, 3.7VWorking time: Wi-Fi Internet surfing 7 ...