This portable model includes two built-in cooling fans for reducing the internal heat of hot-running notebooks. Fan Specifications— Bearing type: sleeve, MTBF: 30,000 hours.

Features: 

• Built-in cooling fans dissipate heat away from the bottom of your notebook and cool down the overall temperature of your system

• USB-powered for use with any computer USB port

• Heavy-duty construction withstands the constant pressure of heavy notebooks

• 3 viewing angles - 15, 30 and 45 degrees

• Compact size offers easier portability while traveling