The Logitech M240 for Business is an affordable wireless mouse featuring Logi Bolt and Silent Touch technology. Reliable and versatile, easy to use, great for the enterprise. Compatible with leading operating systems and platforms. Silent Touch technology reduces click noise by 90% compared with Logitech M185. Left click dBA level measured by an independent lab at a distance of 1 meter means less distraction in a noisy open office. Connector/Port/Interface: USB; Left/Right Hand Use: Left/Right; Mouse Technology: Optical; Wired/Wireless: Wireless.