1Programmable Keypad: All keys are programmable. All key functions of the standard for Windows keyboard can be set, and a complex combination of shortcut keys can be realized with one key. (Custom programmable key functions include 104 conventional keys, 8 web page navigation keys, 8 multimedia shortcut keys, keyboard lock, for Windows lock, etc.)2Mini Portable Keyboard: This keyboard has only 4 keys, it's mini size and portable, effectively saving desktop space.3Detachable USB Cable: You can connect a keypad (plug and play) and another keyboard at the same time on the same computer, they will not interfere with each other.4RGB Backlight: Fine workmanship, perfect style, RGB backlight, more gaming experience, full of technology.5Wide Range Of Applications: The mini keyboard is suitable for office, gaming, music, media, industrial control, laboratory, production line testing and other fields, and is a good helper for many other types of users such as designers and video editors.