Introduction ROC-RK3399-PC-PLUS is a phone sized mini PC board。 Dual-core Cortex-A72 up to 1.8GHz & Quad-core Cortex-A53 up to 1.5GHz Mali-T864 GPU,support OpenGL ES1.1/2.0/3.0, OpenCL1.2, DirectX11.1. LPDDR4 RAM (4GB) 2 x USB 2.0 && 1X USB 3.0 10/100/1000M Ethernet IR Receiver Module HDMI 2.0a with HDCP 2.2 DisplayPort 1.2 (4K 60Hz) 3 x MIPI interface:MIPI0 only for DSI, MIPI1 for DSI or CSI, MIPI2 only for CSI eDP 1.3 2.4G WIFI,bluetooth I2S, supports 8 channels High-Speed eMMC extension interface MicroSD (TF) Card Slot 1 x Typec interface: support DP 1.2、USB3.0 RTC : battery model -- CR1220 ; Battery seat -- CR1220,BS-12-A3B0J002 132 pin expansion interface:I2C、SPI、Uart、I2S.... Shipping list (Only for reference ) 1 x ROC-RK3399-PC 1 x USB Type-A to Type-C data cable 1 x Brass Antenna Maybe you need to purchase the following accessories: SD card、emmc ROC-RK3399-PC expansion board USB Serial Adapter 12V power adapter WARNING :The board is powered by PD (15V/3A, 45W), please use it with a suitable power supply. Now you can start developing according to the 《Guidebook》 !!!