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    A4tech Bloody B820R Gaming Keyboard

    Manufacturer: A4TECH
    Brand A4tech
    Rs 8,499.00
    i h



    Innovative LK Optic Switch technology uses optic switch to react at lightning speed with extreme 0.2ms key response, always one step ahead than your enemies, creates more passionate for gamers.

    The World’s Fastest 0.2 ms !

    Innovative LK Optic Switch technology uses optic switch to react at lightning speed with extreme 0.2ms key response, exclusive “long-lasting” typing sound and tactile feedback, creates more passionate for gamers.

    25% Faster Keystroke

    LK Optic Switch travel with distance of 3mm, which is 25% faster than traditional metal switch. (Traditional metal switch travel at distance of 4mm)

    Zero-Lag Response with Lightning Speed

    LK Optic Switch reacts at lightning speed without lag. (Traditional Metal Switch delays 18~30ms due to metal bouncing)

    Exclusive “Long-Lasting” Typing Sound

    LK Sound Creator Technology developed for “long-lasting” typing sound, while regular switch uses metal friction to generate typing sound and tends to fade away after a several months.

    Ultra Durable, 100 Million Lifetime

    LK Optic switch has a life span of over 100 million key strokes. (Traditional metal switch tends to oxidize and wear out easily)

    Self-Customize RGB Animation

    Customize freely 3 types of RGB Animation modes with 16.8 million color options, making your own unique “Self-Customize RGB.

    Preloaded 6 RGB Lighting Effects

    6 Types of lighting effects are preloaded in the keyboard by default. Adjust the lighting effects by pressing the “FN” keys with “F12” keys to rotate without driver.

    Share The Customized RGB Animation

    Store your favorite RGB Lighting Effects from FN+ 0 to 9. And you may share your newly created RGB Animation lighting effects with your friends or vise versa.

    Gunmetal Aluminum Alloy Panel

    Top panel made of aluminum alloy for a cutting-edge tech finish and provides stronger and more resistant to corrosion than common panel.

    Anti-Ghost Gaming Mode

    Innovative “Full Anti-Ghost” technology offers N-key rollover without key jamming or ghosting for all games. Press Fn+F8 will disable “Windows” key to avoid interruption.

    Spill-Resistant Nano-Coating

    Exclusive advanced Nano-coating over the PCB board, protect the PCB from corroding by wet air or caustic chemicals, prolonging your keyboard lifetime.

    Smart Water Flow System

    Both drainage channels and holes are set in precise position, ensuring the water flows out efficiently.


    Bloody keyboards feature the unique design, high-quality precision and state-of-the-art technologies. Focusing on details, convenience and ergonomics makes it at the top. As the centerpiece to your gaming setup, Bloody keyboard is designed to deliver total satisfying control right to your finger-tips.

    Tech Specs

    Product Size


    Connector: USB

    Key Style: Optic switch

    Key Response:0.2ms

    Anti-Ghosting Key:100% Anti-ghosting key

    Gaming Keycaps:8 convex silicon keys

    Hotkey:Multimedia Hotkey

    Backlit:Customize RGB Animation

    Backlit Brightness: Adjustable

    Space-Bar: Screw enhanced space-bar

    Memory Backlight: 6 Free driver RGB lighting modes

    Key Lifetime: Up 100 million keystrokes

    Raport Rate: 1000Hz/1ms

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