DPI 1000 Precision: Precise, quick and smooth cursor movement for pinpoint accuracy. Ergonomic Design: Use comfortably for long periods of time without any cramps or aches. A soft outer surface provides even more comfort. 3+ Year Lifespan: At least 3 million clicks per button, 300 thousand for the mouse wheel. Easy-to-Install: No drivers or programs required. Just plug it in and start using. Additional Features: A durable 1.6m cable to extend your reach, and LED lights that can change color while working look great.