Rainbow Backlit Gaming Keyboard Mouse 4D Headset and Mousepad CM-406 KIT 104 Keys Switch Rating 10 Million USB Cable 1.5m. Ergonomics: Streamlined mouse shape accommodates various grip styles. On-The-Fly: Quick 3-step DPI selection button. Big Sound: Closed, over-ear headset design for powerful bass sounds. High-Quality Mat: Optimized tracking accuracy for both laser and optical sensors. Cool Looks: Rainbow backlight keyboard