Up to 3 years of battery life: The wireless optical mouse has an automatic power saving mode & an on/off switch, so that up to 3 years of battery life is possible with 2 AA batteriesDesigned for comfort, the wireless computer mouse is shaped to follow the natural curve of the right hand and all buttons are within rangeHyper-fast scrolling: Dual scrolling allows you to switch between speed and precision with a click to fly over long web pages or to scroll line by lineWireless freedom: The USB receiver couples up to 6 compatible devices and offers a strong, reliable connection within up to 10 metersProductivity: The wireless mouse offers 5 customizable buttons, including create forward and backward buttons / shortcuts, jump to full screen mode, open applications and moreComprehensive compatibility: The M705 mouse is compatible with MacOS and Windows and certified with "works with Chromebook"Wherever you go, whatever the occasion, the M705 is designed for hours of comfort and has a hand-s