Razer Naga Hex - Expert MOBA/Action-RPG PC Laser Gaming Mouse - Green Maximum dpi: 5600 dpi Operating System Supported: Windows 10 / Windows 8 / Windows 7 / Mac OS X (v10.8 - 10.11) System Requirement: PC with USB port Internet connection (for driver installation) At least 100MB 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.