Razer Naga Epic Gaming Mouse Effortlessly access more abilities and macros than ever before with 17 mouse buttons including the revolutionary Razer Naga thumb grid. The Razer Naga Epics driver software allows you to easily organize your key binds and character abilities for any game by enabling you to fully remap and assign macros to all 17 buttons. In addition, the Razer Naga Epic also features downloadable in-game addons or integrated in-game support for the most popular MMO games. (Available for World of Warcraft and Warhammer Online: Age of Reckoning, City of Heroes and more) Experience true gaming-grade wireless connection that allows you a greater variety of movement without any sacrifice of mouse control or accuracy. The Razer Naga Epics dual mode wired/wireless functionality allows you to switch between a wireless mouse mode to wired mouse mode  with zero downtime as your mouse charges while in wired mode Three interchangeable side panels designed by the world-acclaimed Razer ergonomics team provide an optimized fit for different hand sizes and grip styles, giving you maximum ergonomic comfort to last through those marathon gaming sessions