Logitech’s G502 Proteus Spectrum RGB features the company’s most advanced optical sensor for maximum tracking accuracy yet, and it’s being offered for just $38.75 shipped, today only, originally $84.99. Customize RGB lighting or sync it with other Logitech G products, set up custom profiles for your games, adjust sensitivity from 200 up to 12,000 DPI and position five 3.6 g weights for just the right balance and feel. Product page. Continue reading for another hands-on video review and more information.Match your style and environment by adjusting up to 16.8 million colors and brightness. Bring your mouse to life with breathing light patterns or set your lighting to sleep when you aren’t using your system. Exclusive Logitech-G Delta Zero optical sensor technology minimizes mouse acceleration and increases reliable targeting. More information.