A. Appearance design: It has a new look. B. Platform features: It runs on a platform with more powerful functions and lower power consumption. C. Usage across systems: After setting it up on a Windows computer, it can be used on Windows and other systems. D. Toggle switches: The wired toggle switch is used to lock and unlock the keyboard. For the Bluetooth model, it is the Bluetooth switch. E. Notes on custom settings: Custom settings need to be made using the Windows system. F. Keyboard overview: It is a mini keyboard with custom functions. It uses a Type - C to USB interface, no driver is required, and it is plug - and - play. All key functions can be set on a standard Windows keyboard to achieve complex combination shortcuts with one key. The keyboard has a storage function. After setting it up on the Windows system, it can be used on systems that support the USB protocol (such as Linux and MacOS). It is easy to operate and convenient to carry when connecting multiple keyboards. G. Knob functions: The knob can be set to functions such as zoom in/out, switch to the previous/next song, turn up/down the volume, pause, and play. It is useful for auxiliary operations. H. Bluetooth model features: It has a built - in battery. The RGB lighting effect can be used when connecting the USB cable, and the RGB lighting effect is turned off in the wireless state. I. Keyboard type: It is a customized small keyboard. J. Color: The color is black. K. Material: It is made of ABS + metal. L. Dimensions: The dimensions are 120 x 57.5 x 38.5 mm. M. Packaging contents: The package includes 1 keyboard and 1 USB cable. Only the above items are included, and no other products are provided. N. Additional notes: Light reflection and different displays may cause the color of the item to vary slightly from the actual one. The allowable error for size measurement is ±1 - 3 cm.