3-Year Battery Life: This wireless office mouse features an auto-sleep power-saving mode and on/off switch so you can enjoy up to 3 years (1) of charge on 2 AA batteries Designed for Comfort: Sculpted with comfort in mind, your wireless computer mouse follows the natural curve of your right hand, and all controls are within your reach Hyper-fast Scrolling: Dual-mode scrolling lets you switch between speed and precision with a click, so you can fly through long webpages, or go line-by-line Wireless Freedom: One tiny unifying receiver pairs up to 6 compatible devices, creating a clutter-free workspace; the USB receiver provides a strong, reliable connection within up to 10 m (3) Extra Productivity: This cordless mouse features 5 customisable buttons, including forward and back thumb buttons; create shortcuts, jump to full-screen, open applications and more Broad Compatibility: Mouse M705 is compatible with macOS and Windows, and is a Works with Chromebook(2) certified product