A4TECH Bloody B865 Czech grey

Innovative LK Optical Switch Technology uses optical detection that removes all input delay, providing zero digital delay with a 0.2 ms key.

0.2 ms keyboard
The innovative LK Optic Switch technology uses an optical switch for lightning fast response, extremely 0.2 ms, exclusive "long-lasting" typing and palpable feedback, which makes the players even more passionate.

25%faster keystroke
The LK Optic switch operates with a 3 mm knockout distance, which is 25%faster than traditional metal switches. (The conventional metal switch has a knockout distance of 4 mm.)

Lightning fast, delay -free response
The LK Optic Switch responds lightning fast without delay. (Traditional metal switches show a delay of 18-30 ms due to the bouncing of the metal.)