Logitech G502 Hero user manual (English - 11 pages)
Logitech G502 Hero Gaming Mouse
Logitech G502 How To Change Mouse Key Functions - YouTube
Logitech G502 X PLUS Review - RTINGS.com
Logitech G502 HERO Special Edition High-Performance Wired Gaming Mouse, 25K HERO Sensor, 25600 DPI, RGB, Adjustable Weight, 11 Programmable Buttons, PC/Mac - Black and White : Amazon.co.uk: PC & Video Games