model:NEO V1.4OS Support:FriendlyCore(based on UbuntuCore-16.04);OpenWrt 18.06;Armbian;DietPi;Lakka;Kali version:Linux-4.4-;U--2017.11PCB:6 LayerCPU:Model: Allwinner H3Number of Cores: -coreFrequency: 4*-A7 Up to 1.2GHzMemory:RAM: 512MBStorage:MicroSD Slot: MicroSD*1 for external storage up to 128GBConnectivity:Ethernet: 10/100M EthernetAudio:Audio input/output Port: 5Pin, 2.0mm pitch pin headerUSB :-USB*1: -USB 2.0, OTG & Power In, Type AUSB : 2.0 Type A*1, 2.54 mm pin*2Pin-header:GPIO: 2.54mm pitch 36pin. It includes UART, SPI, I2C, IO etcSerial Debug Port: 2.54mm pitch 4-pin-headerAudio input/output Port: 2.0mm pitch 5-pin headerLED:Power LED(Red)*1;System LED(Green)*1Others:Working Temperature: -20 to 70Power:-USB DC 5V/2ADimension:40 x 40mmMaterial: PCB+Metalcolour: BlackPackage Contents:1 x NanoPi NEO complete machine (including development board+heat sink+shell)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.