Features: 3 Fan USB Cooler Crystal Cooler system pulls heat away from the notebook and prevents the CPU from overheating during use No power adapter necessary: conveniently powered through your laptop's USB port Great ergonomic shape for easy typing Low noise Constructed from acrylic2800rpm fan speedSize of Notebook Cooling Fan: 6 x 6 x 1.5cm (Fan) Size: 11.8 X 9.8 inch ( 30 x 25cm ) Works fine for laptops smaller or larger than the coolerUSB cable length: 60cmWeight: 300g (0.66 lbs.) 

USB NOTEBOOK COOLER COOLING PAD 3 FAN FOR DELL LAPTOP(#1886)