• Sensitivity: 1000DPI
• Sensor technology: Advanced Optical Tracking
• Plug & Play
• Tiny nano receiver works right away and is small enough to leave in your USB port
• Easy scrolling
• Comfortable, contoured shape
• Smooth responsive cursor control
• Scroll Wheel (Y/N): Yes
• Battery life: 12-month battery life (May vary based on user and computing conditions)
• Battery type: 1 AA battery
• Wireless operating distance: Approx 10m
• Wireless technology: Advanced 2.4 GHz wireless connectivity
• Interface: USB receiver
• Connectivity: 2.4 GHz wireless
• Tracking type: Optical
• Works with Windows XP, Windows Vista or Windows 7, Mac OS X 10.5 or later, Linux kernel 2.6+

M185 provides a controlled line by line scrolling experience for easier navigation. No more annoying missed clicks the optical sensor allows you to track with smooth and accurate cursor control on almost any surface.