1. Colourful & changeable lighting with 21 different backlit modes 2. 12 multimedia shortcut key combinations (Fn + F1 ~ F12) 3. Premium quality, comfortable for typing and playing games 4. User-friendly design, no driver needed, plug and play 5. All 104 buttons supported by anti-ghosting, for the best gaming experience. 6. Optimized design on keys for rapid command entry 7. Switchable game modes and office work mode Mechanical Keyboard and Gaming Mouse?Both wired keyboard and mouse backlit is switchable among the pre-setting light effect modes (21 different light modes for the keyboard, 7 modes for the mouse). Full-size keyboard and mouse combo for home or office; keyboard with US layout (QWERTY), 20 shortcut keys, and a handy numeric keypad Gaming Mouse?With 4 D P I levels available and a high-precision positioning game engine for accurate positioning and stable transmission, can easily adjust the D P I from 800-1600-2400-3200D P I to match the wired mouse speed instantly for different games. Blue Switch & Anti-Ghosting Gaming Keyboard?The classical blue switch design provides a "clicky" and tactile feedback, deliver accurate, responsive key commands for typing and gaming. 100% anti-ghosting gaming keyboard with full key rollover, your perfect choice for different games. Durability & Ergonomic Comfort Mechanical KeyboardThe high-quality aluminium alloy top case ensures longer serving life of the pc game keyboard. The 104-key keyboard with suspended keycap and the mice with skin-friendly surface provide a comfortable gaming and typing experience for long time.