Tarkan Ultra Slim Mono Fan Portable Cooling Pad for Upto 14 inch Laptops and Notebooks Description:   The most economical and entry level cooling pad from Tarkan. This is best suitable for smaller laptops and notebooks and not for heavy duty or gaming laptops.   Specification:  Fan Size: 140mm x 140mm x 20mm Fan Speed: 1000±10% RPM Air Flow: Max. 37.4 CFM Fan Noise Level: 25 dBA (Min.) Rated Voltage: USB 5V DC Compatibility: Supports all notebooks, ultrabooks, smaller laptops up to 14" Product Size: 340 x 255 x 20 mm) Weight: 448g Material: Metal Mesh and ABS Shell