Introduction to Switches: The Green Switch has a crisp sound with a strong mechanical feel (Renmen Switch), while the Red Switch produces less noise compared to the Green Switch but triggers quickly and effortlessly without a sense of resistance (suitable for office or gaming). The Brown Switch has a slightly stronger feel with smooth rebound, which can be seen as a noise-reducing version of the Green Switch, ideal for typing. The Black Switch has no sense of resistance with short travel and quick triggering, suitable for gaming with short timing and high triggers but requires more pressing force