Amazon.com: Logitech G502 Proteus Spectrum RGB Tunable Gaming Mouse 910-004615(Renewed) : Video Games
Logitech G502 Proteus Core Gaming Mouse and G240 Cloth Gaming Mouse Pad Review - Page 2 of 5 - Legit Reviews
Logitech G on Twitter: ""Here's the small miracle that Logitech pulled it off: The G502 Lightspeed, though completely redesigned internally, is a dead ringer for the old G502 Proteus Spectrum." - @FreedmanAE