Logitech V200 Cordless Mouse - Silver (931379-0403)

From the Manufacturer

Maximize your productivity, where ever you areat your desk, on the road, or even in the conference room down the hall.
The Logitech V200 Cordless Notebook Mouse is designed for the demanding mobile professional. Compact, with an unsurpassed battery life of up to one year, the V200 guarantees comfort and reliable performance on the road.
Its 2.4GH z digital cordless technology provides longer range compared to traditional wireless, and delivers interference-free operation. The 2.4GH z micro-receiver snaps into the mouse for easy transport and turns it off for power efficiency. Invisible Light optical tracking delivers smooth, precise control and the Tilt Wheel Plus Zoom makes side-to-side scrolling effortless. All of this is wrapped up in a durable design that's ideal for business-class mobility.
Tilt Wheel Plus Zoom. Scroll side-to-side and zoom in on page details. 5X stronger wireless connection: Better range and less interference. 2.4GH z micro-receiver snaps into mouse for easy transport. Keep on going for up to a year with super-long battery life. Take it with you. Durable design is ideal for business-class mobility. Track your movements accurately with precision optical performance.