Memory function: 2 key gaming keyboard has a memory function, so you don't need to set it up again next time. After setup, other computers can also be used. One computer can be plugged into multiple keyboards and all of them can be used normally. (OTG adapter cable is needed for phone and tablet, etc.) Portable: You can connect the keyboard (plug and play) and keyboard to the same computer at the same time, they will not interfere with each other. Custom configuration: mini keyboard supports a variety of functional modes, each button can be set to a different functional mode, do not affect each other. Four modes: keyboard, mouse, multimedia, multi key mode. You can replace the keycaps and crosshair base by yourself, suitable for for cherry keyboard keycaps.