A4Tech B2278 keyboard Mouse included USB QWERTY Black

WORLD’S FIRST LIGHTNING SPEED MECHANICAL SWITCH Innovative LK optical switch technology uses optical detection that removes all input lag which is able to obtain zero digital latency reacting with a speed of 0.2ms key response. Game at the Speed of Light An exclusive revolutionary switch design blends the speed and precision of optical technology with a premium tactile stroke, providing the ultimate combo of satisfying key-feel with precise and accurate execution. Adjustable Backlights Press Fn + F12 to adjust the lighting effects. Press Fn +“↑ / ↓” to adjust the light brightness. Key Response Less 0.2ms Without any traditional metal bouncing noise. Performs extreme 0.2ms light speed response! Zero-Lag, 30ms Faster Reacts at light speed without lag. (Traditional Metal Switch delays 18~30ms due to metal bouncing) Actuate, 30% Faster Optic Switch only needs 1.5mm to actuate 30% faster than traditional metal switch (Traditional metal switch needs 2.2 mm to actuate) 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) Double Secure Water-Resistant Electronic sealed + water drain hole greatly prolongs the lifetime of keyboard. Game Mode Press Fn+F8 will disable "Windows" key to avoid interruption during the game session. 8 ABS Keys The 8 gaming keycaps are designed for a longer comfort usage. Anti-Slippery Keyboard Lift Prevents keyboard moving or vibrating during the game. THE WORLD'S MOST ADVANCED GAMING DEVICES 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.

• 8 LK Switch
• Key Response
• Neon Glare System
• 30% Faster Keystroke
• Anti-Slippery Lift
• Ultra Durable Lifespan (100 M Keystrokes)