1. 4 Keys Design: Multi functional 4 keys keyboard, support up to 18 bit character shortcut key overlay, one key output, convenient and fast. 2. Knob Function: Adjustable knob has a click function, which can be used as the left and right mouse buttons, and can change the songs, adjust the volume and other functions. 3. Excellent Performance: With RGB lights, a variety of light color adjustable. Type C to USB interface, plug and play. 4. Compatibility: Keyboard with storage function, set up on for Windows system can be used on systems that support usb protocol such as, for Linux, for OS X, etc. 5. Wide Application: Suitable for office, games, music, media, industrial, laboratory, production line testing and other fields. Spec: Item Type: Programmable Keyboard Material: Acrylic, PCB Application: Suitable for office, game, music, media, industrial, 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 Lighting: RGB adjustable Key Number: 4 keys Connection Mode: Wired/Bluetooth Battery Type: 500mAh lithium battery x1 (built in) Product Size: Approx: 123x33x38mm/4.84x1.29x1.49in(L x W x H) Current Voltage: DC 5V/1A Operating Temperature: -10?-50? How to Use: 1. Keypad, open the customization software on the computer. 2. In the custom definition software, click (yellow area) key setting area or knob setting area and then click to set the key KEY1-KEY12 or knob 1 or knob 2 of any key (green area); selected to show the red color. 3. Click on the corresponding function keys of the analog keyboard on the customization software, click download, prompting a successful download, our custom keyboard that can be used. For example: I want to set keypad key 1 as a shortcut key to copy (Ctrl+C), click Key Setting Area on the software, click KEY1 and then click Ctrl and C on the simulated

Wide Application: Suitable for office, games, music, media, industrial, laboratory, production line testing and other fields. Knob Function: Adjustable knob has a click function, which can be used as the left and right mouse buttons, and can change the songs, adjust the volume and other functions. 4 Keys Design: Multi functional 4 keys keyboard, support up to 18 bit character shortcut key overlay, one key output, convenient and fast. Compatibility: Keyboard with storage function, set up on for Windows system can be used on systems that support usb protocol such as, for Linux, for OS X, etc. Excellent Performance: With RGB lights, a variety of light color adjustable. Type C to USB interface, plug and play.