Features: 1.3 KEYS 1 KNOB: The keyboard's unique 3 key, 1 knob design allows users to customize and perform more complex operations, providing greater operational freed. Easily adjust volume, screen brightness, or other related settings with the knobs, which also act as keys for additional customization. 2.CUSTOMIZABLE MACRO PROGRAMMING: The keyboard supports customizable macro programming, which allows users to bind frequently used operations or specific commands to keys to perform multi step operations with a single key, improving work or gaming efficiency. 3.BLUE SWITCH MECHANICAL KEYBOARD: The keyboard utilizes a blue switch mechanical keyboard with pronounced touch, fast feedback and durability, providing enhanced competitive gaming performance with clicks and quick succession operations in games. 4.HOT SWAPPABLE: The keyboard features hot swappable technology, which allows you to change keycaps or shafts at any time to personalize the keyboard. No need to worry about the adaptability of the keyboard for different games or usage needs, quickly adapting to various scenarios. 5.KEYWIRE SEPARATION DESIGN: The keyboard features a key wire separation design that allows 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 3 Key Keypad with Knob Material: Acrylic Number of Keys: 3 Keys and 1 Knob (Knob Can Be Pressed as a Button) Connection: Wired Connection (Key Cable Separated) Cable Length: Approx. 1meter / 3.28ft Macro Programming Software Download: U Disk Directly Read Copy Software to the Computer PackageList: 1 x Keyboard 1 x Data Cable 1 x Driver USB Drive 1 x Manual