? Advanced Optical USB Mouse (Silver) ? 

High-definition optical tracking You'll enjoy responsive, smooth cursor control, precise tracking and easy text selection thanks to high-definition optical tracking (1000 dpi Full-size comfort, ambidextrous design Designed to keep either hand happy. So you'll feel comfortable, even after hours of use.

? Features

? High Speed Optical Mouse
? Speed Select Button (1000 / 1600 CPI)
? Ergonomic and Comfortable design
? Plug-n-Play USB mouse

? Specifications

? Interface: USB
? Technology: Optical
? Weight: 75 grams
? Switch Life: 5 Million life cycles
? Resolution: 1000 / 1600 CPI (Changeable)
? Button: 4 Button with Scroll wheel
? Dimension: 3.5 (H) x 6.5 (W) x 10.1 (D) cm
? OS Supported Windows* / MAC* OS Compatible