only the right and left button is silent ,the dpi button and forword back button has some noise
Q1 :What is the difference between mute and sound?
A1: when you press the button of mute mouse , the mute one make less noise than sound version
Q2 :Can the backlight changed to blue or red ?
A2 : The backlight like breathing light , it change the color automatically .and it can’t be changed to one color