RGB LED BACKLIT Colorful lights will be emitted from the front and back of the mouse to create the coolest lighting effects. Standard 7 colors correspond to 7 DPI levels. Choose the color from a spectrum of over 16.8 million colors and different modes freely via the software, choose what you like best and what works best for you, giving you a wonderful visual experience and fun. ULTIMATE HAND FEEL The most important thing is that you will enjoy using the AJ52 mouse. Design and adjustment again and again, just to strive for the best hand fit. Top-level UV coating technology, equipped the mouse with a long-lasting soft surface and side surface touch. The mouse gives you the comfortable and delightful user experience all the time. UNIQUE SIDE DESIGN Smaller side buttons and unique radian design, streamlined modeling, symmetrical design on both sides, give full consideration to the thumb and ring finger feel. PROFESSIONAL SOFTWARE Adjustable 7 level DPI, Polling Rate 125/250/500/1000Hz, Mouse Sensitivity, Scroll Speed, Double-click Speed can be changed via software. Support for macro editing, and 7 buttons can be customized, making the mouse more intelligent and meeting more needs for gaming. Excellent value, perfect for gaming, work and daily use. WIDE COMPATIBILITY & HASSLE-FREE WARRANTY Plug and play, compatible with Windows 10/8 XP Mac Linux etc. (Note: No software for Mac OS.) We are committed to providing the best products and the best customer service with 1 year manufacturer warranty and unconditional 30 day money-back guarantee. Make sure this fits by entering your model number.