Durable, long-lasting swtiches have 5 million click lifetime, and adjustable palm rest, allows you to customize the palm piece for maximum comfort. F.L.U.X. software lets you customize your settings – create unlimited user profiles, program buttons and more. Store your favorite user profile on mouse using on-board memory. *Windows only, available for download. Extremely lightweight clocking in at 57g. Weight is measured without the cable. Multi-button functionality essential for optimal precision and performance - including: scroll wheel, left click, right click, and a DPI button with adjustable DPI up to 2000. Includes PIXART PAW3205 Sensor.