Features:1. Professional USB wired gaming mouse 2. Up to 5500DPI sensitivity3. Compatible with Windows XP、 Windows ME、 Windows Vista、 Win7、 Win8、 Mac OS etc.4. Seven bottons - back、 forward、 left mouse button、 right mouse button、 firepower key、 mouse wheel、 DPI5. With 1.5m braided wire6. Classic water flowing crack makes it more attractiveSpecifications:1. Type: Mice 2. Features: Gaming、 Novelty 3. Material: Plastic 4. Color: Black 5. Resolution: 5500DPI 6. System support: Windows Vista、 Windows 98、 Mac OS、 Windows ME、 Windows 8、 7. Windows 2000、 Windows XP、 Windows 7 8. Interface: Wired 9. Cable length : 145cm10. Product weight: 0.170 kg 11. Package weight: 0.212 kg Package Contents: 1 x Gaming Mouse