-Optical Technology - Optical technology refers to the use of an optical sensor to track mouse movement, rather than the traditional use of mechanical parts. As a result, optical mouse products work on most surfaces and offer you better durability, increas.
-Left- or Right-Handed - Work in comfort, whether you mouse with your left or right hand. Ambidextrous design makes it comfortable either way.
-Wireless freedom - Go wireless. Free your desktop from needless clutter and cables.
-Longer Battery Life - Finally, a solution to the top wireless hassle - now you can work longer without interruption. Many users experience a half year of battery life!
-Smart Wireless Technology - Microsoft Smart Receiver notifies you of interference and helps you strengthen your signal.