Work without obstacles with a versatile mouse that"s customizable and responsibly made. Get an even better experience by connecting up to two devices and move things across operating systems. You can work optimally with the programmable buttons, the ergonomic design and the long battery life, which can last up to 24 months1. You also get the freedom to work on the vast majority of surfaces with Multi-Surface Sensor technology. 2 years, 1 batteryWork without interruption for years with the impressively efficient and extremely long battery life. A single AA battery lasts up to 24 months with the smart power system. Produced sustainablyIn addition to the practical design, you can also feel good about using it, as it is made in an environmentally friendly way4. Possibility of complete customizationMake everything easy and fast and exactly the way you prefer it by creating custom2 shortcuts that can be used in many different programs.3. Set all your settings with 4 programmable buttons,