Ultra-precise scrolling Our micro-precise scroll wheel packs more grooves per millimetre, making scrolling through long webpages faster and easier. | Ergonomically shaped The ergonomically shaped design and soft rubber grips conform to your hand to be naturally comfortable, and the compact size makes it easy to take with you wherever you use your computer鈥攁t home, at work, or anywhere else. | Compatibility and Connectivity Unifying 鈥?Required: available USB port. 鈥?Windows 10 or later, Windows 8, Windows 7. 鈥?Mac OS 10.10 or later. 鈥?Chrome OS. 鈥?Linux Kernel 2.6+. Bluetooth 鈥?Required: Bluetooth Low Energy Technology. 鈥?Windows 10 or later, Windows 8, Windows 7. 鈥?Mac OS 10.10 or later. 鈥?Chrome OS, Android 5.0 or later. 鈥?Linux Kernel 2.6+. |