Bloody B840 Optical Switch Keyboard

Bloody B840 keyboard came out around 2017-05-15.

“Bloody” is a marketing term. The company is A4Tech, of Taiwan.

marketing blurb:

• Award Winning LK (Light Strike) Optical Mechanical switches with 0.2ms response time – Blue Switch with tactile feedback and an audible click. 1.5 mm Actuation distance and total travel distance of 3 mm. Actuation force 50cN.
• LED Backlit Keyboard – Vivid Orange LED backlit keycaps and keyboard side. Customizable lighting profiles.
• Anodized Aluminum Panel – Cutting-edge tech finish for incredible look and durability. Double Shot ABS keycaps.
• Spill and Dust Proof – Spill proof with advanced Nano coating over the PCB board of Mechanical Keyboard. It's easy to clean and won't ruin your keyboard.
• Anti-Ghost and Fully Programmable – 100% Anti-ghosting and full N-key rollover over USB and fully programmable with advance macros.

B930 Keyboard

Came out on 2018-02