High Quality Content by WIKIPEDIA articles! Logitech International S.A. (SIX: LOGN, NASDAQ: LOGI) is a global provider of personal peripherals for computers and other digital platforms headquartered in Romanel-sur-Morges, Switzerland. The company develops and markets products like peripheral devices for PCs, including keyboards, mice, microphones, game controllers and webcams. Logitech also makes home and computer speakers, headphones, wireless audio devices, as well as audio devices for MP3 players and mobile phones.