Features: 1.9 Keys 1 Knob: The 9 key 1 knob design allows users to perform more complex operations. Adjusting the volume, screen brightness, or other related settings via the knobs is easy and enhances the experience of using the keyboard. 2.Custom Macro Programming: The keyboard supports customizable macro programming, which allows you to bind frequently used operations or specific commands to keystrokes to perform multi step operations with a single key, improving the efficiency of your work or game. 3.Hot Swappable Design: The keypad adopts hot swappable technology, enabling users to change keycaps or shafts at any time to quickly adapt to various scenarios, no need to worry about the adaptability of the keyboard to different games or usage needs. 4.Blue Switch Mechanical Keyboard: The mechanical keyboard adopts blue switch design with distinctive touch, fast feedback and durability, providing enhanced competitive gaming performance with clicking and quick combo operations in games. 5.Key Line Separation: The keyboard features a keyboard and cable separation design, allowing users to arrange the keyboard wiring more flexibly according to their own usage habits, reducing cable bunching and better organizing the desktop. specification:Item Type: Mini 9 Key Keypad with Knob Material: Acrylic Number of Keys: 9 Key 1 Knob (knob can be pressed as button) Connection: Wired Connection (key line separation) Cable Length: Approx. 1m / 3.28ft PackageList:1 xMini9 KeyKeypad 1 x Data Cable 1 x Drive USBFlashDisk 1 x User Manual