ROCCAT Kone Pure Military ROC-11-713 7 Buttons 1 x Wheel USB Wired Optical 5000 dpi Core Performance Gaming Mouse - Desert Strike Maximum dpi: 5000 dpi Operating System Supported: Windows XP/Windows Vista 32/64-bit/Windows 7 32/64-bit/Windows 8 / Windows 8 Pro System Requirement: USB 2.0 port Internet connection for driver installation Package Contents: ROCCAT Kone Pure - Core Performance Gaming Mouse Quick-Installation Guide Option: Wired