Feature: 1. Programmable Keypad: All keys are programmable. All key functions of the standard for Windows keyboard can be set. (Custom programmable key functions include regular 104 keys, 8 web page navigation keys, 8 multimedia shortcut keys, keyboard lock, for Windows lock, etc.) 2. Knob Function: Not only can be rotated to adjust, but also can be used as a key. The knob can set functions such as zoom in and zoom out, previous track and cut track, following volume up, volume down, pause, play, etc. 3. Simple Operation: One hand macro mechanical keyboard, easy to operate, suitable for all computers. 4. Mini Portable: Mini size and portable, with detachable USB cable, you can connect the numpad (plug and play) and another keyboard at the same time on the same computer, they will not interfere with each other. 5. Wide Range of Applications: The 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. How to Use: plug and play Specification: Item Type: 6 Key Mini Keypad Material:Acrylic Key Type: 6 Key Mechanical Keyboard, 1xKnob (The knob can be pressed as a key) Applicable Equipment: Computer Universal Package List: 1 x6 Key Mini Keypad1 x Data CableWide Range of Applications: The 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. Mini Portable: Mini size and portable, with detachable USB cable, you can connect the numpad (plug and play) and another keyboard at the same time on the same computer, they will not interfere with each other. Simple Operation: One hand macro mechanical keyboard, easy to operate, suitable for all computers. Knob Function: Not only can be rotated to adjust, but also can be used as a key. The knob can set functions such as zoom in and zoom out, previous track and cut track, following volume up, volume down, pause, play, etc. Programmable Keypad: All keys are programmable. All key functions of the standard for Windows keyboard can be set. (Custom programmable key functions include regular 104 keys, 8 web page navigation keys, 8 multimedia shortcut keys, keyboard lock, for Windows lock, etc.).