At just 85 g, the Naga X is 30 percent lighter than the 120 g Naga Trinity while also costing less at retail. New optical sensors and PTFE feet make it a leaner and smoother alternative to the Trinity.
https://www.notebookcheck.net/New-Naga-X-MMO-mouse-is-one-of-Razer-s-lightest-mice-yet.516345.0.html