The Roccat Kone Pure Ultra Gaming Mouse represents an industry-first as a mouse that is both ultra-light and ergonomic. Weighing a remarkably low 66.5 grams, it ranks amongst the lightest mice on the market. It boasts a soft coating specially developed by ROCCAT to provide incredible grip while being durable and easy to clean. It also features the latest ROCCAT Owl-Eye optical sensor with 16,000dpi for exceptionally sharp accuracy and tracking capabilities. For the gamer who demands unfiltered performance above all else, the Kone Pure Ultra is a no-brainer. Mouse Features Connection Type: Corded USB Sensor Type: Optical Number Of Buttons: 7 Hand Orientation: Right Operating System: Windows 10, Windows 7, Windows 8