Havit HV-MS749 is Gaming mouse with Four colour breathing back light. it also has back light off mode. Specification: System Support: Windows 2000/XP/Vista/7/8/10, Linux / Mac Interface Type: USB Size: 123*64*39mm Key number: 6 Chip: 189E2 Resolution: 800-1200-2000-3200DPI Voltage: 5.0V Keystroke life: 1,000,000 times Cable length: 1.5m Note: In order to protect the mouse, please don`t use the mouse on rough surface. It`s helpful to use it with a good quality mouse pad.
