4.1-inch WVGA touchscreen, 800 x 480 resolution Channels: GSM/GPRS/EDGE: 850/900/1800/1900MHz, UMTS 2100MHz Card slot: dual SIM card and standby Camera: Back: 5 megapixels Front: 0.3 megapixel Supports Wi-Fi 802.11 b/g/n and Bluetooth 2.1 + EDR OS: Android 4.0 Waterproof grade: IP67 Outdoor functions: dust, shock and waterproof OEM orders are welcome