• Durable silent click buttons and power-saving• A built-in elastic rope at the front-end of the mouse• DPI up to 4200, tracks on any surface, including glass• 100% PTFE feet• 10-million-click lifespans • Supports 2.4 GHz (with the included USB dongle) and Bluetooth® connection modes• Available connection up to three different devices• Customizable functions in Armoury Crate