Type: glass-free 3d tablet pc Screen size : 7inch Processor: all winner a20 dual core Ram: 1gb ddr3 Nand flash: 8gb Expand memory: 32gb micro sd card (tf card) Display resolution: 1280x 800 pixels Display ratio: 16:9 Touch panel type: capacity Touch screen: multi-touch Operating system: android 4.0.4 Os menu: english /multi-language Brand name: oem Feature: bluetooth, wifi, webcams, g-sensor, camera, phone call Camera: 0.3mp back camera 2.0mp back Wifi: 802.11 b/g/n 3d video: glasses free 3dvideo, support mkv, avi, mp4, 3gp, flv etc. L&r 3dvideo format 3d picture: glasses free 3d picture support jpg, png, gif, bmp etc.L&r 3d picture format Best view distance: 30-50cm Battery: li-polymer rechargeable battery 3000 mah 3.7v Power jack: ac 110~240v 50/60hz; dc 5v/2a Packing details: accessories: usb cable/ac adaptor/user manual Color box : 193*124*10.5mm