Custom Programming: Programming Macro Keyboard allows you to customize your keyboard's functionality with its custom programming feature. RGB Backlighting: The keyboard features a multicolor backlight that adds of style to your setup. Mechanical Operation: The mechanical operation of the keyboard ensures a responsive and accurate typing experience. Hot Swap Switches: The switches are hot swap, meaning you can easily replace them without soldering. This is a mini keyboard with custom functions,Type-C interface, no driver required, plug and play.Button customization, can be set according to your requirements. For macOS users, please set on the system first, then connect back to macOS. =Win, Option=Alt, Control=Ctrl. Product name: Customized mechanical keypad Keyboard : Red Switch Connection method: Type-C data cable Colour:White Material:ABS Specification: A:Bluetooth5.0+Wired+2.4G Wireless Package Contents: 1 x Custom Keyboard 1 x 2.4G wireless receiver 1 x Type-C cable (random colors, don't accept the specified color) 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.