MULTIFUNCTION KEYBOARD WITH RGB BACKLIGHT is determined as PC keyboard where you can bind some shortcuts(on Discord...). You can changed the color of switch with my own software. It is good for bind shortcuts in apps. Print parameters: Slicer software - Creality Slicer 4.8.2 Printer - Creality Ender 5 Pro with CR touch and Creality Double-Sided Golden PEI Plate Filaments - PLA+ (Creality CR-PLA ) Layer height - 0.12 Infill - 10% Nozzle Temp - 205 (initial layer 210) Scale - 100% ( you can scale it up or down as much as you want, the limit is your printer) Support - ON Assembly: 1. You have to push the CHerry MX switch into the hole on upper frame and solder the switch on the circuit board which is under the upper frame. 2. Than you have to put the USB cable into the bottom box/frame and connect it into the Arduino controller which is installed on circuit board 3. Connect the bottom and upper frame with 2mm screws witch 20mm lenght.