USPRO AK10 Ergonomic Gaming Keyboard, A-Jazz Mechanical Feel 104 Keys 7 Colors Backlit USB Wired Game Keyboard, Black NOTICE: This is a mechanical imitation gaming keyboard, not the real mechanical keyboard, but still has the mechanical feel, and similar clear echo and typing response. ANTI-FATIGUE: Ergonomic key design in various key shape, adopted R4 R3 R2 R1 international standard, preventing fatigue when long-time typing. FOR YOUR GAME: Fast response typical 104 keys, decreased response timing and similar key travel with real mechanical keyboard. 19 keys non-conflict, and a Function Key to get shortcut to daily applications. YOUR COOLEST KEYBOARD: Breathing-like light and a special switch key to change 7 backlight colors, light your desk up in the night with ethereal color! DURABILITY: Gilded USB connector prevent oxidation, and woven surface of the wire for more protection and less effort to keep clean.