Specifications: -Available In Red, Blue, Black and Brown Mechanical Switches -High quality switches and long life up to 50 million operations -3 segments total 104 mechanical switches built-in with backlight effects -Unique Maldives Blue LED backlight -6 fully Macro-AbleTM keys -Adjustable keys effective time in 7 speed transmission from 1ms ~ 16ms -Adjustable polling rate: 125Hz/250Hz/500Hz/1000Hz -Multimedia keys with built-in program -Adjustable keys response time -Adjustable backlighting effects on keyboard button -Characteristic keycaps for WASD and arrow keys -Gaming mode option for deactivation of windows key -1.8 meters multiflex cord wrapped with ultra-durable cable jacket -1 Megabyte Built-in onboard memory -USB cord management system design for your convenience