Logitech G502 Review: Is Proteus any better than the Core? | RealGear
Best Buy: Logitech G502 Proteus Spectrum Wired Optical 11-Button Scrolling Gaming Mouse with RGB Lighting Black 910-004615
Memory Express Computer Products Inc. - The Logitech G G502 Proteus Spectrum RGB Gaming Mouse allows you to adjust the RGB lighting up to 16.8 million colours, and includes 16 programmable buttons,