After 7 years of faithful service and no issues, my G502 is dead, and only because I stepped on the wire. Rest in piece you magnificent beast. : r/MouseReview
Logitech G502 Lightspeed Review: The Top Gaming Mouse Goes Wireless | Tom's Guide
Logitech G502 Hero review: A slight improvement on an old standard | PCWorld
Amazon.com: Logitech G502 Hero K/DA High Performance Gaming Mouse - Hero 25K Sensor, 16.8 Million Color LIGHTSYNC RGB, 11 Programmable Buttons, On-Board Memory - Official League of Legends KDA Gaming Gear :
Logitech G502 Hero BEST GAMING MOUSE EVER Unboxing and Complete Setup - YouTube
Logitech G502 X review | PC Gamer
Logitech G502 X review: two clicks forward, one scroll back | Rock Paper Shotgun