Logitech G602 Wireless Gaming Mouse with 250 Hour Battery Life 910-003820 Maximum dpi: 2500 dpi System Requirement: Windows 8, Windows 7 or Windows Vista Mac OS X 10.6.8 or higher Powered USB port Internet connection and 100MB hard drive space (for optional software download) Package Contents: Mouse Wireless receiver Receiver extender cable 2 AA batteries, pre-installed User documentation Parts: 3 years Labor: 3 years