1,This Serial Native Accessory Converter (SNAC) is the USB3.0 version which allows for the connection of console specific input devices to your MISTer, connection of original controllers is achieved by using individual adaptors.2,Looking for zero frames of input latency? SNAC provides this when connected to the MISTer FPGA 10 board. This offers possibly the best experience for gaming enthusiasts or speed runners who require accurate gameplay using original controllers with no .3,SNAC even works with light controllers such as the for Zapper, for Super Scope 6 and Master System Light Phaser however an analog CRT screen is required to use a consoles original controllers.4,For MiSTer SNAC support is enabled in the following cores including SNES, Master System, / Drive, CD, 7800 and TurboGrafx-16/ TurboGrafx CD.The appearance and color of products from different batches , which does not affect their use.Material: Metal+PCBcolour: greenPackage Contents:1 x SNAC Adapter1 x USB Cable1 x GBOnly 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.