... weather. *For PC/Notebook with USB port.Ultra-quiet,Pitch angle,Safety net design,360 Degree Rotation,With ... and unplug the USB plug. Do not disassemble the fan.3. Do not use water or cleaning water to ... Do not use liquid or metal lubricant into the fan inside.5. Do not place or the vibrations in ... direct sunlight, hot smoke, the room temperature use. 6.Fan to remove the power cord, hold pull the plug, ...