LOGITECH G502 PROTEUS SPECTRUM RGB TUNABLE/PROGRAMMABLE GAMING MOUSE | Logitech G502 Proteus Spectrum RGB Tunable/Programmable Gaming Mouse! Best mouse under $100! I cannot believe I got this in a wholesale lot mystery
Logitech Announces New G502 Proteus Spectrum Gaming Mouse - The Tech Revolutionist
CES 2016: Logitech Updates the G502 Proteus Spectrum Gaming Mouse with RGB Lighting - IGN