This is a two keyboard with default copy and paste functions. The keyboard functions can be customized, and the default functions are only suitable for Windows systems. The black keyboard shaft is a Outemu red shaft, which has higher toughness and wear resistance. The white keyboard shaft is a Outemu blue shaft, with a lighter spring design, making the clicking sound more crisp. The product comes with an anti slip pad, designed to be lightweight and aesthetically pleasing, and the shaft supports hot swapping.