Keyboard 1. More drainage hole at back of keyboard is waterproof in an accident, more effectively protect keyboard 2. Oversized hand rest in line with hand shape, light key reduce long-term fatigue. 3. Non-slip design , more convenient 4. Perfect design of key route and key, the most subtle ergonomic design, better hand feeling. 5. Laser curving characters (never fade), adjustable cool backlight, the first choice of fashion 6. Oversized spacebar / born for game