Fits your hand for maximum comfort. Designed to support the naturally curved shape of your hand.
Adjustable-dpi laser engine: Provides two smooth-tracking modes (up to 1600 dpi) for customizable precision. Choose the dpi setting thats right for you-from pixel-precise to ultra-fast for customizable precision.
Stealth thumb button: Makes it easy to jump from one program to the next. One of ten programmable buttons that put total control at your fingertips.
Extended battery life: Minimize the hassle of changing batteries with nine months of battery life. On/Off button saves even more power. Battery-indicator light eliminates surprises.