1. 2.4 GHz Reliable Wireless

Microsoft 2.4 GHz wireless delivers a reliable connection with up to a 30-foot range, with virtually no interference;

2. 10-Month Battery Life

Use your mouse without power interruption for up to 10 months on a single battery. Battery status indicator tells you when battery power is low;

3. 2-way Scrolling
Scroll two ways for greater efficiency and comfort with tilt wheel;

3. Darkfield optical tracking

You get accurate, precise cursor control on virtually any surface, any color, darkfield uses the smallest possible details to create a micro-road map of the surfaceso you get better precision on more surfaces, turn the world into your mouse pad;

4. Unifying receiver (nano receiver)

The tiny receiver stays in your notebook. so theres no need to unplug it when you move around. Its so tiny, you wont need to worry about the receiver breaking off or getting lost;

5. Hyper-fast scrolling

You'll fly through documents and Web pages with a single spin. click-to-click scrolling gives you the precision you need when navigating lists, slides, and images. excited about hyper-fast scrolling;

6. Sculpted, right-hand shape

Designed to fit your hand and put it in a comfortable, natural position, comfortable hands like comfortable mice;

7. UV surface treatment

UV painting make the surface more beautiful and it could endure the worst scratch;

8. One year warranty.