Scissor switch a special scissor mechanism links the keycap that offers a quiet and faster key response 7 colors backlight convenient one touch to change the backlight color breathing effect fn key combo to turn on the backlight breathing anti ghosting keys technology 19 anti ghosting keys allows you press simultaneously without fear of missing in specific key area repeat rate acceleration commands can be issued faster wasd amp arrow key exchange fn key combo to switch wasd and arrow key funct