Microsoft Surface (Refurbished) Windows RT; 10.6-Inch ClearType HD Display Quad-core NVIDIA Tegra 3 32 GB Storage, 2 GB RAM, Up to 8 Hours of Battery Life Two 720p HD LifeCams, front and rear facing Wi-Fi (802.11a/b/g/n); Bluetooth 4.0 Technology; Ambient light sensor, Accelerometer, Gyroscope, Magnetometer; 31.5 W-h, up to 8 hours mixed activity, 7-15 days idle life