Retro Typewriter Style Round KeycapsMechanical blue switch offers a quicker and springier response, crisp click sound, precise tactile feedback for ultimate gaming performance. Double-shot injection molded Vintage steampunk round keycaps for clear backlight and extreme durability, The stepped floating keycap fit your fingertips perfectly for precise positioning, prevent fatigue and wrong typing. Comes with keycap puller for easy keycaps cleaning. Multimedia & Backlight Control KnobThis wired mechanical keyboard effortlessly controls media thanks to its dedicated media control keys. Quick-access buttons for media volume, backlight effect, music play/pause/switch. You can switch 19 different lighting effects or adjust the backlit brightness and speed. And you can create 3 customized backlight as you like. Long press knob for three seconds to switch between media and lighting modes.