17 MMO-optimized buttons: Effortlessly access more spells, abilities, and macros with a total of 17 mouse buttons, including Razer’s revolutionary 12-button thumb grid.
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.
3 Interchangeable side panels for ergonomic fit: Provide an optimized fit for different hand sizes and grip styles, giving you maximum ergonomic comfort to last through those marathon gaming sessions
Razer Synapse 2.0: Automatically syncing the gaming mouse to a cloud server to download driver and firmware updates
Windows® 8/ Windows® 7 / Windows Vista® / Windows® XP (32-bit)/ Mac OS X (v10.6-10.7 and above)
Internet connection (for driver installation)
At least 35MB of hard disk space
Razer Synapse 2.0 registration (requiring a valid e-mail), software download, license acceptance, and internet connection needed to activate full features of product and for software updates. After activation, full features are available in optional offline mode.