?Blue LED Mode?Rii Wired LED Mouse with elegant blue backlit ,suitable for office and home ,enrich your office life [Ergonomic Design with 4 Buttons]This USB computer mouse is ergonomically designed ,suitable for your hands,no fatigue after long-term work and study. ?Easy to Use]This simple corded mouse,just plug and play,very easy to use,no worry about connection like wireless,Eliminates the trouble of replacing batteries,which can sace your time and improve your work efficiency. [High-precision and Durability]800-1200-1600 DPI movement resolution enables responsive cursor control for precise tracking, works on most surfaces.Works on most surface, Tested over 3 million times keystroke life, the wired mouse ensures responsive click and longer lifespan for daily use. [Wide Compatibility]This computer wired mouse has a wide range of compatibility with computer,laptop,desktop,PC.Rii offers you 30 days money back and 365 days warranty,please feel free to contract us.