R8 mouse software , primarily known as 8BitDo Ultimate Software V2 a lightweight customization suite designed to manage the 8BitDo Retro R8 series of mice

Most R8 mice have under-glow and logo RGB. You can:

, the software is tolerable to set DPI and disable flashy RGB, then uninstall. If you’re shopping , avoid R8 mice unless your absolute max budget is $20 – and even then, consider a used Logitech G203 or Razer DeathAdder Essential instead, which have far better, safer software.