Features: 1.12 KEYS 3 KNOBS: Macro mechanical keyboard is designed with 12 keys and 3 knobs, which allows users to perform more complex operations and provide more free of operation. Adjusting the volume, screen brightness or other related settings through the knobs is easy and enhances the experience of using the keyboard. 2.CUSTOM MACRO PROGRAMMING: The Custom 12 keys keyboard supports custom 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 work or gaming efficiency. 3.HOT SWAPPABLE: The Mechanical keyboard supports hot swappable technology, which allows you to replace keycaps or switches at any time, eliminating the need to worry about the adaptability of the keyboard to different gaming or usage needs, and quickly adapting to various scenarios. 4.BLUE SWITCH: Mechanical keyboard adopts blue switch with distinctive touch, fast feedback and durability, which provides strong competitive gaming performance with clicking and quick combo operation in games. 5.KEYBOARD CABLE SEPARATION: The keyboard is designed with key cable separation, which allows you to arrange the keyboard wiring more flexibly according to your own usage habits, reducing cable bunching and better organizing your desktop. specification:Item Type: Mini 12 Key Keypad with 3 Knob Material: Acrylic Connection: Wired Connection (Keyboard Line Separation) Cable Length: Approx. 1meter / 3.28ft PackageList:1 x Mini12KeyKeypad 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.