Great mouse love it.
Logitech G502 Lightspeed Wireless Gaming Mouse
G502 LIGHTSPEED was designed to be the ultimate G502 gaming mouse ever made. It keeps the exact same ID and features set of the original, but is completely re-engineered to incorporate our most recent most recent innovations. The internal structure features the same thin wall design and advanced endoskeleton as the PRO Wireless mouse for a 7-gram weight reduction. And the same industry-leading wireless technologies: LIGHTSPEED, HERO 16k and POWERPLAY.