LOGITECH G9
- Sensor: Laser tracking, 200-3200 dpi (user selectable) - Connectivity Technology: Wired - USB - Buttons Qty: 7 - Features: 4D Scrolling wheel, dpi control, back/forward - Image Processing: 6.4 megapixels/second - Tuning weight: up to 28g - XL and Precision grips