Product description:
The innovative micro-precise wheel of the m525 wireless mouse gives you the ultimate navigation experience, and the ergonomically shaped design and soft rubber grips means this mouse is built for comfort. Add to that three years of battery life, the tiny leave-in logitech® unifying™ receiver providing long-range advanced 2.4 ghz wireless connectivity, and laser-grade advanced optical tracking precision. Connector/port/interface: usb 2.0; left/right hand use: left/right; mouse technology: optical; wired/wireless: wireless.

• Micro-precision scroll wheel for the ultimate navigation experience.
• Ergonomically shaped design and soft rubber grips.
• Three-year battery life.
• Reliability of long-range, advanced 2.4 ghz wireless connectivity.
• Easy setup using the tiny, leave-in logitech® unifying™ receiver.
• Laser-grade advanced optical tracking.

Package includes:
Logitech® unifying receiver; (2) aa batteries; user documentation.