Title: Lenovo Xiaoxin PLUS BT Mouse Mute Button Light Sound Portable Ergonomic Design Office Game Universal Charging Mouse Features: -Multiple Surface Treatments Outstanding Colors Values,IM"Do Not Fade" Process.Translucent scrub treatment left and right buttons,delicate skin-like treatment upper cover.The small mouse integrates a variety of surface treatment processes to bring a leapfrog look, the three color optional shell, the color layer is worn and scratch-hardened transparent,keep bright colors for a long time and don’t fade easily. -78 g is light easy to move & Ergonomics Holding Posture.Lightweight design of only 78g reduces the pressure of the mouse on the wrist and makes it easier to carry.Ergonomic design allows the mouse to fit the palm of the hand without hanging in the palm,reducing wrist soreness and pain,the fatigue of long-term use, optimized side skirt design. -Commonly Used Buttons are Light Tone, Use at Will without Disturbing People.The left and right main