Raj Infocom Quantum QHM330 Cooling Pad for Notebooks Stylish and Efficient Cooling Pad The cooling pad has a stylish design and optimum dimension to accommodate most of the laptops and notebooks. It is equipped with a noiseless fan to allow you work peacefully. The built-in fan has a speed of 1000 rpm and airflow of 100 cfm which helps prevent your laptop from overheating. The fan gets power through the USB port with a voltage of DC 5V. Lightweight and Convenient Design With a weight of 921 gm and dimension of 32 x 30 x 3.8 cm, the Quantum QHM330 Cooling Pad for Notebooks is easy to carry. It will fit in your laptop bag easily. You can take it comfortably wherever you go. It will allow you work smoothly and efficiently day and night. The long hours of laptop use is not a concern anymore.