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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
![Refurbished: Logitech Recertified 910-004074 G502 Proteus Core Tunable Gaming Mouse with Fully Customizable Surface, Weight and Balance Tuning - Newegg.com Refurbished: Logitech Recertified 910-004074 G502 Proteus Core Tunable Gaming Mouse with Fully Customizable Surface, Weight and Balance Tuning - Newegg.com](https://c1.neweggimages.com/ProductImage/26-197-013-06.jpg)
Refurbished: Logitech Recertified 910-004074 G502 Proteus Core Tunable Gaming Mouse with Fully Customizable Surface, Weight and Balance Tuning - Newegg.com
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