Logitech Pro Gaming Keyboard | GX Blue Mechanical Buttons

Tailored for Professionals: Designed with and for esport athletes for competitive performance, speed and precision.
Professional-Grade GX Blue Clicky Switches: Long-lasting GX Blue Clicky Switches offer audible clicking and perceptible resistance feedback for solid and secure key pressure.
Ultra-Portable Compact Design: Compact design without numeric keypad leaves room for mouse movement; easy to carry, great for tournaments.
Use Lightsync to light up keys and schedule static lighting schemes in the built-in memory for tournament systems that do not allow G Hub installation.
Removable Cable: Removable micro USB cable features a three-prong design for easy and secure connection and safe transport in your travel bag.
Operating System Windows 7 or later, macOS 10.11 or later

[@yuzohatori]

Mine blue leds start to fail in lots of keys, one gets double register.