Features: 1.3 KEYS 1 KNOB: Keyboard is designed with 3 keys and 1 knob, which allows users to easily adjust the volume, screen brightness or other related settings through the knob, providing a free operating experience. 2.CUSTOMIZABLE MACRO PROGRAMMING: The keyboard supports customizable macro programming, which allows you to bind frequently used operations or specific commands to the keys to perform multi step operations with a single key, improving the efficiency of your work or game. 3.HOT SWAPPABLE: Keyboard supports hot swappable, which is convenient for you to change keycaps or switches at any time without worrying about the adaptability to different needs, quickly adapting to various scenarios. 4.BLUE SWITCH: Mechanical keyboard adopts blue switch design, with obviously touch, fast feedback, clicking and quick combo operation in the game, providing strong game competitive performance. 5.3.28FT CABLE LENGTH: Keyboard cable length is 3.28ft, which is convenient for you to use flexibly, and the key and cable separation design reduces cable bunching and better organizes your desktop. specification:Item Type: Mini 3 Key Keypad with Knob Material: Acrylic Connection: Wired Connection (Keypad Line Separation) Cable Length: Approx. 1meter / 3.28ft PackageList:1 x Mini3KeyKeypad 1 x Data Cable 1 x USBFlashDrive 1 x User Manual NoteThe list comes with a USB flash drive to read and copy the software directly to your computer.