model:NEO V1.4 OS Support:FriendlyCore(based on UbuntuCore-16.04) OpenWrt 18.06 Armbian DietPi Lakka Kali version:Linux-4.4- U- 2017.11 PCB:6 Layer CPU: Model: Allwinner H3 Number of Cores: -core Frequency: 4x-A7 Up to 1.2GHz Memory:RAM: 512MB Storage:MicroSD Slot: MicroSDx1 for external storage up to 128GB Connectivity:Ethernet: 10 or 100M Ethernet Audio:Audio input or output Port: 5Pin, 2.0mm pitch pin header USB : -USBx1: -USB 2.0, OTG and Power In, Type A USB : 2.0 Type Ax1, 2.54 mm pinx2 Pin-header: GPIO: 2.54mm pitch 36pin. It includes UART, SPI, I2C, IO etc Serial Debug Port: 2.54mm pitch 4-pin-header Audio input or output Port: 2.0mm pitch 5-pin header LED:Power LED(Red)x1 System LED(Green)x1 Others:Working Temperature: -20 to 70 Power:-USB DC 5V or 2A Dimension:40 x 40mm Material: PCBandMetal colour: Black Package Contents: 1 x NanoPi NEO complete machine (including development boardandheat sinkandshell) Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.