KINAMAX FAN-NTP3 Business Notebook Cooler Pad with 3 Built-in 60mm Fans for Laptops Keep your laptop /notebook COOL! Description: USB Powered with on/off switch. Super Quiet. Light weight. Works for all laptops Keep your notebook cool! This Executive cooling pad for notebooks features three built-in 60 mm fans for easy thermal heat dissipation, keeping your notebook from getting too hot. Simply plug into your USB port! This super quiet slim laptop cooler with 3 fans. It"s great for laptop users. Keep your laptop cool can prevent all sorts of undesired symptoms caused by overheating, for example, locked or hung programs. It can be used either as a buffer for mobile users to isolate the hot bottom of laptop from your lap or keep your laptop cool if it is used as your main computer sitting on a desk running most of the day. 3 fans once turned on will quietly whir the heat away from your laptop at a rate of 3000 RPM, producing 30 CFM of airflow. Hot air is sucked in from the bottom of the laptop and exhausted through the opening on the rear. Three green LED indicates the working status of the three fans. The laptop cooler comes with an On/Off switch on the front of the cooler. You don"t need to unplug the USB plug every time you want to turn the fans on or off. Specifications : ? Front fan On/Off switch for easy access. ? 3 quiet fans for quick heat dissipation. ? Powered by USB bus, No additional adapter is needed. ? Light weight (1 Pound), easy to carry. ? 3 Green LED indicator to help detect fan failure or malfunction ? Three (3) built-in 60 mm fans ? Air Flow: 30 CFM ? Speed: 3000 RPM ? Noise: 21 dBA ? Current: 0.26A ? Voltage: DC 5V ? Power: 1.3W Package Includes : ? President notebook cooler pad ? USB power cable