Fangrui Product Details Cpu: For Allwinner H3, Quad-core -a7 Up To 1.2ghz For Sd Slot X 1 Microusb: Otg And Power Input Gpio: Two 2.54mm Spacing 12x2pin Header, One 2.54mm Spacing 10x2pin Header Connectivity: 10/100m Ethernet Usb Host X3(included In 2.54mm Pitch Pin Header) Debug Serial Port(4pin, Included In 2.54mm Pitch Pin Header ) Audio Input/output Port(4pin, Included In 2.54mm Pitch Pin Header ) Gpio:it Includes Uart, Spi, I2c, Io Etc Power Supply: Dc 5v/2a Temperature Measuring Range: -20to 70os/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: 1 X Development Board Only The Above Package Content, Other Products Are Not Included. Note: Light And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.