Logitech India on Twitter: "Following our initial announcement last June, the PRO Wireless will be the first Logitech product to inform consumers of the product's environmental impact with carbon labeling. Learn more
Logitech MX Master Review - RTINGS.com
Logitech - Wikipedia
List of Logitech products - Wikipedia
Logitech - Wikipedia
Logitech First Trackball and Product Catalog in 1993.
Logitech ERGO M575, Wireless, Off-White (910-005870)