The A4TECH Bloody B820R RGB Mechanical USB LK Gaming Keyboard is a high-performance keyboard designed for gaming enthusiasts. Featuring a USB connector, this keyboard utilizes Optic switches for key response times as low as 0.2ms, ensuring ultra-fast and precise input during gaming sessions. With 100% Anti-ghosting keys and 8 convex silicon gaming keycaps, it guarantees accurate and responsive keystrokes, even during intense gameplay. The keyboard also includes multimedia hotkeys for quick access to essential functions and customizable RGB animation backlighting with adjustable brightness levels, allowing users to personalize their gaming setup. Additionally, the screw-enhanced space-bar ensures durability and stability, while the keyboard's memory backlight offers six free driver RGB lighting modes for added customization. With a key lifetime of up to 100 million keystrokes and a report rate of 1000 Hz/1ms, the A4TECH Bloody B820R keyboard delivers exceptional performance and reliability for gamers seeking a competitive edge.