RAZER Ouroboros Gaming Mouse Mouse Grip Style: Claw, Palm, Fingertip Maximum dpi: 8200 dpi Operating System Supported: Windows 8 / Windows 7 / Windows Vista / Windows XP (32-bit)/ Mac OS X (v10.6-10.8) System Requirement: PC / Mac with USB port Internet connection 100MB of free 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.
