RGB LED BACKLIGHTColorful lights will be emitted from the front and back of the mouse and penetrate through the grain of the surface which is made through special processes, to create the coolest lighting effects. Default 7 colors correspond to 7 DPI level. Choose the color from a spectrum of over 16.8 million colors and different modes freely through the software, choose what your favorite and what works best for you, bring you wonderful visual experience and fun. ULTIMATE HAND FEELINGThe most important thing is that you will enjoy using the AJ52 mouse. Design and adjustment again and again, only to pursue the best hand fit. Top-level UV coating technics, endowed the mouse with long-lasting soft surface and side face touch. The mouse will provide you the comfortable and delighted using experience all the time. UNIQUE SIDE DESIGNSmaller side buttons and unique radian design, streamline modeling, symmetric design on both sides, give full consideration to the feeling of the thumb and the ring finger. PROFESSIONAL SOFTWAREAdjustable 7 level DPI, Polling Rate 125/250/500/1000Hz, Mouse Sensitivity, Scrolling Speed, Double-click Speed can be changed via software. Support macro editing, and 7 buttons can be customized, which make mouse more intelligent and meet more needs for games. Great value, perfect for games, work and daily use. BROAD COMPATIBILITY & HASSLE-FREE WARRANTYPlug and play, compatible with Windows 10/8 XP Mac Linux etc. (Note: No program for Mac OS.) We have been committed to providing the best products, and the best after-sales service with 1-Years Manufacturer's Warranty and Unconditional 30 days Money-back Guarantee.