CPU: Allwinner H3, Quad-core Cortex-A7, up to 1.2GHzDDR3 RAM: 512MBConnectivity: 10/100M EthernetUSB Host: Type-A x 1, USB 2.0-USB: OTG, for inputDebug Serial Port: 4Pin, 2.54 mm pitch pin headerGPIO1: 2.54mm pitch 24pin. It includes UART, SPI, I2C, IO etcGPIO2: 2.54mm pitch 12pin. It includes USB, IR, SPDIF, and I2SPCB Dimension: 40 x 40 mm Supply: DC 5V/2AOS/Software: u-boot, Ubuntu-Core-Xenial, Debian-colour:blueMaterial:plasticPackage Contents:1*NanoPi-NEO H3 Development BoardOnly 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.