HID drive-free, after setting up 7 and above, it can be plug and play on Linux, for-MacOS, . With memory function, you dont need to set it again next time. After setting it, it can also be used by plugging in another computer. The computer can be plugged into multiple keyboards and can be used normally. Fool-style software operation, you can directly set it up, you only need to prepare the system. Almost the same as a normal keyboard, it is suitable for most situations and supports some bios. Multi-key without punching, supports up to 6 keys to be pressed at the same time and all respond. The key line is separated, which can be plugged and unplugged at , which is convenient for office carrying. NOTE:The keyboard cant be set up for everything. Any keys on the standard keyboard can be set, and these keys can be completely replaced. One-key shortcut keys can be set, just press it once to shorten the distance of pressing multiple keys, and never be afraid that it be out of reach! One-key macro operation can be set. Pressing a key is equivalent to pressing multiple single keys continuously. The total length of each key on the keyboard is 34 bits, and the interval time can also be added. For example, one-click password. Some multimedia keys can be set, volume addition and subtraction, up and down music, playback pause, etc. The left, middle and right mouse buttons can be set, which can replace the three mouse buttons. Note:Since the keyboard shell is 3D printed, the appearance texture from batch to batch, but it not affect the use. Shaft body:green shaft Compatible system:for , for MacOS, for Linux Type:Custom One Key USB Programmable Macro Keyboard Colour:Black Material:PLA Package Contents: 1 * Custom keyboard 1 * data cable 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.