Firefly-RK3399 board (1pcs) Others The optional accessories are: Acrylic rack (to protect the board) 12V/2A DC USB power adapter (support 220V/100V input) Additionally, the following accessories or devices are needed: Display Display or TV which supports VGA interface, and VGA cable Display or TV which supports HDMI interface, and HDMI cable Network 100M/1000M ethernet cable, and corresponding router WiFi router Input devices USB wire/wireless mouse/keyboard Infrared remote control Flash image, debugging Micro Type-C USB cable USB to serial adapter Shipping list Firefly-RK3399 supports booting from the following storage devices: eMMC We need to flash the system firmware into the eMMC, so that the development board can be normally booted into the operating system after power on.