Type: Wired Interface Type: USB Model Number: MMR DPI: 3200 Style: 3D Package: Yes Hand Orientation: Right Number of Rollers: 1 Number of Buttons: 6 Operation Mode: Opto-electronic Gross Weight: 190g Time to market: Sep-14 Brand Name: ZUOYA Products Status: Stock Application: For Video Game, Desktop, For Office Use, For Home Use, Laptop Optical Resolution: 3200 DPI Tracking Method: Optical