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