Features and specifications:
1. M618 plus RGB (wired mouse):
DPI: 800/1200/1600/2400/4000
Location tracking: Optical
Buttons: 6
Light:RGB
2.M618 plus single color (wired mouse):
DPI: 600/1000/1600
Location tracking: Optical
Buttons: 6
Light:single color (Blue)
3.M618 plus wireless (wireless mouse):
DPI: 800/1000/1600
Location tracking: Optical
Buttons: 6
Light:(without light)