For MiSTer IO Board: The for MiSTer IO Board is an optional expansion that plugs on top of the for Terasic DE10-Nano SoC. It adds the following features to the for MiSTer Platform: VGA Connector. Additional connectors to integrate the for MiSTer into cases. Check Analog video output compatibility 3.5mm Audio Jack with TOSLink 3 Buttons 3 Status Secondary SD card (for some cores) FAN for cooling the FPGA Expansion connector (in the form of USB 3.0 connector, but it's not USB!) The appearance and color of products from different batches , which does not affect their use Material: PCB colour: blue Package Contents: 1 x IO Analog Board 1 x Fan Only the above package content, other products are not included. Note: Light reflection 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.