Electromagnetic MagSpeed scroll wheel – the fastest and quietest scrolling experience of all time Track-anywhere Darkfield Sensor for high-precision on virtually any surface A comfortable silhouette with intuitive thumb controls Settable profiles and buttons Specially designed for power users and programmers System requirements: Free USB connection required for the USB receiver Bluetooth Low Energy technology required for Bluetooth use Windows 7, Windows 8, Windows 10 or later macOS 10.13 or later Linux Incl. USB-C charging cable (USB-A to USB-C)