My G502 Proteus Core started to double click after 2 years and 10 months... Logitech agreed to upgrade me to a G502 HERO for free! : r/G502MasterRace
Logitech's G502 HERO updates our favorite gaming mouse with even better hardware | PCWorld
Amazon.com: Logitech G502 X Wired Gaming Mouse - LIGHTFORCE hybrid optical-mechanical primary switches, HERO 25K gaming sensor, compatible with PC - macOS/Windows - Black : Video Games
Logitech Dresses the G502 up With Multi-color Backlighting | Digital Trends