Fangrui Product Details Fangrui Product Details Cpu: Allwinner H3, Quad-core -a7 Up To 1.2ghz Ddr3 Ram: 512m Connectivity: 10/100m Ethernet Wifi: 802.11b/g Bluetooth: Bluetooth V4.0 Of 1, 2 And 3 Mbps. Camera: Ov5640 Key: Gpio Key Usb Host: 2.54mm Pin X2, Exposed In 2.54mm Pitch Pin Header Micro-sd Slot X 1 Micro-usb: Otg And Power Input Debug Serial Interface: Exposed In 2.54mm Pitch Pin Header Audio Input/output Interface: Exposed In 2.54mm Pitch Pin Header Gpio1: 2.54mm Spacing 16pin. It Includes Uart, Spi, I2c, Audio Etc Gpio2: 2.54mm Spacing 16pin. It Includes Usb,10/100m Ethernet, Io Etc Pcb Dimension: 25.4 X 55mm Power Supply: Dc 5v/2a Temperature Measuring Range: -40to 80os/software: U-boot,linux 4.11.2 (mainline) , 16.04.2 (xenial) Colour:black Material:pcb+metal Package Contents: 1 X Nano Pi Duo2 Development Board 2 X 16pin Single-row Pin Header 1 X Antenna 1 X Micro-usb Cable Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A