Highlights: Connector: USB Key Response：0.2ms Key Style: Optical Switch Hotkey：Multimedia Hotkey Backlit Brightness: Adjustable Gaming Keycaps：8 ABS Keycaps Anti-ghosting Key：100% Anti-Ghosting key Backlit：Neon Glare Cable Length: 1.8 m Key Life: Up to 100 Million Keystrokes Space-Bar: Screw Enhanced Space-Bar System Requirements: Windows 7/ 8 /8.1 / 10 or later Product Description: 0.2ms Key Response: 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: LK Optic Switch reacts at lightning speed without lag. (Traditional Metal Switch delays 18~30 ms due to metal bouncing) 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 lifespan of over 100 million keystrokes. (Traditional metal switch tends to oxidize and wear out easily) Dual Programmable Keys: M1 and M2 Smart Quick-Access keys designed to provide the convenience to easily obtain a quick-access to frequently used keys. The M1 and M2 Quick-Access keys are preset as Ctrl/Alt function keys. Neon Glare System: Dazzling backlit makes you stand out in the dark. Adjustable Backlights: Press Fn + F12 to adjust the lighting effects. Press Fn +“↑ / ↓” to adjust the light brightness. Full N-Key Rollover: Full NKRO ensures each keypress can simultaneously register regardless of how many keys are being pressed or held down at a time including modifier keys (Shift, Control and ALT). Metallic body: Metallic aluminum alloy surface, durable and long lasting. What is in the box:  1 x Bloody B885N Mechanical Keyboard Weight: 1 SKU: 210415160742