PIPO W3F TOZO Keyboard Case Ultrabook Tablet PC Dual Boot Windows 8.1 Android 4.4 10.1 inch IPS 1920x1200 Quad Core Max 2.4GHz 2GB RAM 32GB ROM Dual Camera Windows 8.1 Intel Z3735F Quad Core Max 1.8GHz . PIPO W3F (wifi) Tablet PC Dual Camera: Front 2.0MP; Back 5.0MP with auto focus The W3F tablet should be charged by DC jacket (The round jacket not the Micro USB port). When the tablet charging, the LED lighted. If the tablet low voltage for long time. It may need charge 10 minute until it display battery icon on screen. 10.1 inch IPS 1920*1200 Multi Touch Capacitive Screen