Professional Red Switches: K582 gaming keyboard is equipped with pluggable red switches, which are linear, top-to-bottom switches. These switches require less force to press down and the keys feel smoother and easier to use. No tactile 'bump' but responsive. A great choice for work and play! N-key Rollover: 100% anti-ghosting 104 keys ensure the most accurate simultaneous key presses. Fully programmable - Reassign any key or set up the most extreme macros for effortless gaming. Dynamic RGB Backlight: 6 backlight themes and 18 backlight models allow you to type in the dark. You can adjust its brightness with FN + Up/Down. Arrow Key in any non-breathing mode. Extreme Durability: 50 million times keystroke test, small actuation force and short travel. Solid base with double injection ABS keycaps design, it is built to withstand a lifetime of gaming.