RGB LED BACKLIGHTColorful lights will be emitted from the front and back of the mouse and will penetrate through the grain of the surface which is made by special processes, to create the coolest lighting effects. The default 7 colors correspond to level 7 DPI. Choose the color from a spectrum of more than 16.8 million colors and different modes freely through the software, choose what you like best and what suits you best, brings you a wonderful and fun visual experience. will enjoy using the AJ52 mouse. Design and fit again and again, only to seek the best fit in the hand. High level UV coating techniques have endowed the mouse with durable soft surface and side feel. The mouse will give you a comfortable and delighted using experience all the time. UNIQUE SIDE DESIGNSmaller side buttons and unique radian design, streamlined modeling, symmetrical design on both sides, fully consider the feel of the thumb and ring finger PROFESSIONAL SOFTWARE7-level adjustable DPI, 125/250/500/1000Hz polling rate, mouse sensitivity, scroll speed, double-click speed can be changed through software. Support macro editing and 7 buttons can be customized, which makes the mouse smarter and meets more gaming needs. Excellent value for money, perfect for gaming, work and daily use.WIDE COMPATIBILITY & HASSLE-FREE GUARANTEEPlug and play, compatible with Windows 10/8 XP Mac Linux etc. (Note: No program for Mac OS.) We are committed to providing the best products and the best after-sales service with a 1-year manufacturer's warranty and a 30-day unconditional money back guarantee.