Front fan On/Off switch for easy access 3 quiet fans for quick heat dissipation. Powered by USB bus, No additional AC adapter is needed. Light weight (1 Pound), and with only 0.5″ (14mm) of thickness, easy to carry Speed: 3000 RPM Product DescriptionKINAMAX FAN-Business Notebook Cooler Pad with 3 built-in 60mm Fans for Notebooks NTP3 [...]