tactile keys - hit those keys accurately with less effort. it has a longer life span up to 10 million key press than a common keyboard. made of robust and stable membrane, it won't shift so easy.6 keys anti-ghosting - some keyboard keys don't work when multiple keys are pressed simultaneously. the key presses that don't show up on the computer or seem to have disappeared are said to have been "ghosted". imagine playing your favorite video game and not being able to, say, run diagonally and fire your weapon at the same time (say pressing a, w, and g simultaneously). vertux radiance ensures that your key presses are sent without error and in the order pressed.rainbow led light - equipped with a rainbow backlight that gives a better gaming experience.made and specially designed for gamers.product specification rating: 5v 0.15a frequency: 125hz backlight: rainbow led keystroke life: 10 million anti-ghosting: 6 keys