CPU: for Allwinner H3, Quad-core -A7 up to 1.2GHz For SD slot x 1 MicroUSB: OTG and power input GPIO: Two 12x2 pin 2.54mm pitch headers, one 10x2 pin 2.54mm pitch header Connectivity: 10/100M Ethernet USB Host x3 (included in 2.54mm pitch pin header) Serial Debug Port (4 pins, included in 2.54mm pitch pin header) Audio In/Out Port (4 pins, included in 2.54mm pitch pin header) GPIO: It includes UART, SPI, I2C, IO etc Power Supply: DC 5V/2A Temperature measurement range: -20℃ to 70℃ OS/Software: U-boot, -Core and Android DDR3 RAM: 512MB DDR3 RAM Model Number: NanoPi NEO Interface: 3 x USB2.0 USB Host: USB Type A USB 2.0: x 3 Memory capacity: 512MB Color: Blue Material: PCB Size: 40 x 40MM Package Contents: 2 x Development Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.