Manufacturer Specifications   OS Version:Win 8.1 Pro CPU: Intel Bay Trail-T Quad Core (4C/4T) SoC 2W Z3775D GPU: Intel HD Graphics Processor Speed: 1.3 to 1.8GHz Memory Technology: DDR3L-1333 2GB DDR3 3G: 1900 / 2100 (Via a Huawei Ultrastick 3G Card) Wireless LAN/Bluetooth BCM 43241 (2x2abgn/BT) Wi-Fi: Dual Band 5G Wi-Fi 802.11a/b/g/n Bluetooth 4.0 Sensors: Accelerometer Sensor, Compass, Gyroscope, Ambient Light GPS Support 2 Megapixel Front-Facing Camera + 2 Megapixel MIPI CAM5 Rear Camera Video Resolution: 720x480 Front / 1280x720 Back Internal Mic and 2 Speakers 8 Ohm Battery Size: 8400mAh Usage Time: FHD Playback 7.5 Hours Battery Standby: 13 Days Sleep Display Display Size: 10.1 Inch IPS Retina Display Resolution: 1280x800 Touch Screen: Support Capacitive Multi-touch: Support 10 Point Memory EEMC Storage: 64GB Micro SD Card up to 64GB Ports 3.5mm Audio Out Port Micro SD Card Slot Micro USB HDMI 9V/2A DC Dimensions Main Product Dimensions: 260x174x9 mm (L x W x D) Main Product Weight: 650g