Feature: 1. Multi Purpose: Programmable macro keyboard can be used in office, games, music, media, industrial control, laboratory, production line testing and other fields. 2. Knob Function : The knob can not only be rotated and adjusted, but also be used as a key, and can be set to zoom in and out, switch tracks, volume up, volume down, pause, play, etc. The operation is simple and convenient. 3. RGB Lighting: DIY mini keypad has RGB function, various lighting colors can be adjusted, and it supports the superposition of up to 18 bit shortcut keys, which can be output with one key, making it easier. 4. Storage Function: Programmable keyboard has storage function, which can be used on systems that support usb protocol, such as for Linux,for OS X, etc. after it is set up on for Windows system. 5. Plug and Play: One handed gaming keyboard is a mini keyboard with self defined functions, and it is plug and play with Type C to USB interface without driver. Specification: Item Type: Programmable Macro Keyboard Material: Acrylic, PCB System Support:For Windows,for Vista,for Linux,for OS X Key Life: Up to 50 Million Times Type: Dustproof Blue Switch Lights: Adjustment RGB Keys: 12 Keys Product Size:Approx. 132 x 77 x 38mm / 5.2 x 3.0 x 1.5in(L x W x H) Current: DC 5V/1A Operating Temperature: -10℃-50℃ Usage: Suitable for Office, Games, Music, Media, Industrial Control, Laboratory, Production Line Testing and Other Fields.. Package List: 1 x Programmable Macro Keyboard1 x USB Cable Note: 1. This software can only run on for Windows system for the time being. Try to download it from the PC. The setup software does not need to be installed, and it can be run directly after opening. After setting, it will be automatically stored on the chain disk, and then inserted into the systems that support usb protocol, such as for Linux,for Os X, etc. (Note that the antivirus software should be released for the first time and set as a trusted file).2. You can send a letter to the customer service for software download problems, and the customer service will help you solve the software download problems.