Features: 1.8 Buttons 1 Knob Design: The unique 8 buttons 1 knob design allows users to customize the execution of more complex operations, providing greater operational freedom. Easily adjust the volume, screen brightness or other related settings via the knob, while the knob is also pressed as a key for additional customization. 2.Customizable Macro Programming: 8 key programmable macro keyboard supports customizable macro programming, which allows users to bind frequently used operations or specific commands to the keys to perform multi step operations with one key, improving the efficiency of work or gaming. 3.Hot Swappable: Programmable macro keyboard adopts hot swappable technology, allowing users to change keycaps or axes at any time to personalize the keyboard. No need to worry about the adaptability of the keyboard for different games or usage needs, simply disassemble the axle body and replace it with a suitable mechanical axle body to quickly adapt to various scenarios. 4.Blue Switch Mechanical Keyboard: Featuring a blue switch mechanical keyboard with pronounced touch, fast feedback and durability, the blue switch mechanical keyboard excels at clicking and quick click operations in games, providing enhanced competitive gaming performance. 5.Separate Key and Cable Design: One handed macro mechanical keyboard adopts the separate key and cable design, which allows users to arrange the keyboard wiring more flexibly according to their own habits, reducing the cable pile up and better organizing the desktop. specification:Item Type: Mini 8 Key Keypad with Knob Material: Acrylic Number of Keys: 8 keys, 1 knob (knob can be pressed as a button) Connection: Wired (detachable cable) Cable Length: Approx. 1m / 3.3ft PackageList: 1 x Keyboard 1 x Data Cable 1 x Driver USB 1 x User Manual NotePlease allow some error due to manual measurement.