Welcome to the store! HID driver-free, after installation on 7 and later, it can be used directly on Linux, for MacOS, . With memory function, you don't need to set it up again next time. After setting up, it can also be used by connecting it to another computer. The computer can be connected to multiple keyboards and can be used normally. Simple software management, you can set it up directly, you just need to prepare the system. Almost the same as a regular keyboard, it is suitable for most situations and supports some BIOS. Multi-key without punching, supports up to 6 keys pressed simultaneously and all respond. Key line separation, which can be connected and unplugged at will, which is convenient for office use. NOTE: The keyboard cannot be set for everything. All keys on the standard keyboard can be set, and these keys can be completely replaced. One-key shortcut keys can be set, just press once to shorten the distance of pressing multiple keys, and never be afraid of it being out of reach! One-key macro operation can be set. Pressing one key is equivalent to pressing multiple individual 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 increase and decrease, up and down music, play 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 may vary from batch to batch, but it does not affect the use. Shaft body: green shaft Compatible system: for , for MacOS, for Linux Type: 2 Keys Button USB Mini Keyboard Color: 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 to be slightly different from the real one. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!