The Logitech Meet M240 Silent, the reliable Bluetooth® mouse that frees up your workspace, connects in seconds, and delivers ultra-quiet productivity that lasts. A sculpted, contoured shape and 18 months of battery life lets you focus on what you do best. Silent Touch Technology reduces clicking sounds by 90%. The mouse is built using the same high quality standards that have made Logitech the global leader for mice and keyboards. Connector/Port/Interface: Bluetooth; Left/Right Hand Use: Left/Right; Mouse Technology: Optical; Wired/Wireless: Wireless.