1. Bring You Convenience: This is a 12 key programmable keyboard with adjustment knob, you can set the shortcut keys to reduce the cumbersome process.
2. Multifunction: The mini keyboard with multi functions, you can set all the key functions on the for Windows keyboard, and realize complicated and complex shortcut keys with one key.
3. Memory Function: The keyboard has a storage function, which can be used on systems that support usb protocol such as for Linux, for OS X, etc. after setting it up on the for Windows system.
4. Settable Knob: The knob can also be set, with functions such as, play the previous song, the next song, volume up, volume down, pause, play and other functions.
5. Portable and Easy to Use: Type C to USB interface, no need for drivers, plug and play, no conflict between the computer and multiple keyboards, convenient and easy to carry.
6. Wide Application: Programmable keyboard is suitable for office, game, music, media, industrial control, laboratory, production line testing and other fields

Specification:
Item Type: Macro Mechanical Keyboard
Material: Acrylic, PCB
Usage: Suitable for office, games, music, media, industrial control, laboratory, production line testing and other fields
System Support: For Windows, for VISTA, for Linux, for OS X
Button Life: Up to 50 Million Times
Type: Dustproof Green Shaft
Quantity of Keys: 12 Keys
Size: Approx. 132 x 77 x 38mm / 5.2 x 3 x 1.5in (L x W x H)
Current and Voltage: DC 5V/1A
Working Temperature: -10℃-50℃

How to Use:
1. Small keyboard, open the custom software on the computer.
2. On the custom software, click the key setting area or Knob setting area (yellow area) and then click the key key1‑key12 or any key of knob 1 or knob 2 (green area) to be set; If selected, it will appear red.
3. Click the function key corresponding to the simulated keyboard on the custom software, click download, prompting