ROC-RK3399-PC-PLUS is a mini PC motherboard, about the size of a small phone.

• Dual-core Cortex-A72 up to 1.8GHz & Quad-core Cortex-A53 up to 1.5GHz Six Core Processor
• Mali-T864 GPU，Support OpenGL ES1.1/2.0/3.0, OpenCL1.2, DirectX11.1.
• LPDDR4 RAM (4GB)
• 3 x USB 2.0
• 10/100/1000Mb Eth interface
• IR Infrared Module
• HDMI 2.0a with HDCP 2.2
• DisplayPort 1.2 (4K 60Hz)
• 3 x MIPI interfaces
  only for DSI, MIPI1 for DSI or CSI, MIPI2 only for CSI
• eDP 1.3
• I2S，Support 8 Channels
• High speed eMMC Expansion Interface
• MicroSD (TF) Card Slot
• 1 x Type-C Interfaces
  support DP 1.2、USB3.0
• RTC : battery model -- CR1220 ; Battery seat -- CR1220,BS-12-A3B0J002
• 132 Pin Expansion Interfaces
  、SPI、Uart、I2S....

Shipping list (Only for reference )

• 1 x ROC-RK3399-PC-PLUS
• 1 x Type-C data cable

Maybe you need to purchase the following accessories:

• SD card、emmc
• USB Serial Adapter
• 12V power adapter