Product Description Brand Name: ZUOYA Type: Wired Number of Rollers: 1 Gross Weight: 180g DPI: 3200 Package: Yes Number of Buttons: 6 Operation Mode: Opto-electronic Style: 3D Time to market: Jan-14 Model Number: MMR2 Hand Orientation: Right Interface Type: USB mouse version: sounds/silent mouse Description 1: Gaming mouse / Game mouse / Mouse for gamer Description 2: Backlit mouse Description 3: USB Wired Mouse Mice Mause