Amazon.com: Logitech G502 Lightspeed Wireless Gaming Mouse with Hero 25K Sensor, PowerPlay Compatible, Tunable Weights and Lightsync RGB - Black : Video Games
Logitech G502 X Lightspeed review: Improving a favorite - Reviewed
Logitech G502 Lightspeed: Pricey But Reliable and Highly Customizable Wireless Gaming Mouse
Logitech G502 X Gaming Mice Shed Weight, Gain Hybrid Optical Buttons - CNET