Logitech G502 Lightspeed Wireless Gaming Mouse Review | A mouse that compromises on nothing
Logitech International - Logitech G Goes Wireless with the Most Popular Gaming Mouse in the World, New G502 LIGHTSPEED
Logitech G502 Hero review: A slight improvement on an old standard | PCWorld
Amazon.com: Logitech G502 Lightspeed Wireless Gaming Mouse with Hero 25K Sensor, PowerPlay Compatible, Tunable Weights and Lightsync RGB - Black, 5.2" x 3" x 1.6" : Video Games