Logitech G on Twitter: "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
Logitech G502 PROTEUS SPECTRUM RGB Tunable Gaming Mouse - EXPANSYS Hong Kong
Original Logitech G502 Proteus Spectrum Gaming Mouse | Rokomari.com