RGB LED BACKLIGHTColorful lights will be emitted from the front and back of the mouse 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. Designd adjustment againd 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 ghted using experience all the time.UNIQUE SIDE DESIGNSmaller side buttons and unique radian design, streamline mong, 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 or 250 or 500 or 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 andamp HASSLE-FREE WARRANTYPlug and play, compatible with Windows 10 or 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. 333-Perfect after-sales service: If you have any quality issues or do not like it after receiving it, please and we provide free return and exchange services Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.