Blue LED ModeRii Wired Blue LED Mouse, stylish and beautiful,creating an interesting atmosphere,perfect for daily office,schooling and entertainment. [Ergonomic Design with 4 Buttons]This USB computer mouse is ergonomically designed ,suitable for your hands,no fatigue after long-term work and study. [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. 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]movement resolution enables responsive cursor control for precis