Logitech G502 Lightspeed Wireless Optical Gaming Mouse with RGB Lighting Black 910-005565 - Best Buy
Lightspeed ships with 4g weights, but you can't physically put them in the mouse. : r/G502MasterRace
Amazon.com: Logitech G502 Lightspeed Wireless Gaming Mouse, 25K Hero Gaming Sensor, 25600 DPI, RGB, Ultra-Light, 11 Programmable Buttons, Long Life Battery, PowerPlay-Compatible, PC - Black : Video Games
Logitech G502 Lightspeed Wireless Gaming Mouse with Hero 25K Sensor, PowerPlay Compatible, Tunable Weights and Lightsync RGB - Black Gaming Mice - Newegg.com
Amazon.com: Logitech G502 Lightspeed Wireless Gaming Mouse with HERO 16K Sensor, PowerPlay Compatible, Tunable Weights and Lightsync RGB - Black (Renewed) : Video Games
Logitech G502 LIGHTSPEED Wireless Gaming Mouse
Logitech G502 Lightspeed Wireless Optical Gaming Mouse with RGB Lighting Black 910-005565 - Best Buy
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