The HeatShift is made of safe cooling components that have been proven to lower temperatures. It requires no power, no refrigeration, and generates no noise. HeatShift products offer the most convenient and stylish solution against overheating. The HeatShift can sit right on your lap or on a table and begin to cooling better than any loud fan based USB cooling devices. Award winning patented cooling technology: Cools by more than 10 degrees Fahrenheit Prolongs battery life and device life