Logitech - G502 HERO Gaming Mouse has 11 programmable buttons, which can customise all your power moves with just one click. 🎈On-the-fly DPI 🎈DPI Shift Button 🎈Onboard Memory 🎈Dual-Mode Hyper-fast Scroll Wheel
Logitech G502 HERO Review - RTINGS.com
Logitech G502 Lightspeed review: The Swiss Army knife of mice | ZDNET
Amazon.com: Logitech G502 Proteus Core Tunable Gaming Mouse, 12,000 DPI On-The-Fly DPI Shifting, Personalized Weight and Balance Tuning with (5) 3.6g Weights, 11 Programmable Buttons, Fully Customizable Surface : Video Games
Logitech G502 X review: two clicks forward, one scroll back | Rock Paper Shotgun