Logitech G on X: "In 2014, we launched the G502 Proteus Core, which became the first in a line that grew to be the best selling gaming mouse on the market. #UltimateCountdown
Reviewing The Logitech G502 Proteus Core Gaming Mouse | Digital Citizen
Logitech G G502 Proteus Spectrum (Cable) - buy at digitec
Logitech's G502 HERO updates our favorite gaming mouse with even better hardware | PCWorld
Logitech G - Reply and tell us which model was the first one that you used. We're encouraging everyone to break out their favorite G502 and show it some love today. 💙 #