Farraige Lapcare Chillmate Ergonomic Laptop Cooler and Stand, 15.6-Inch (Black) Double 12.5 cm ultra quiet fans with high wind capacity  2 USB ports for multiple device usage  Angled modulated design for comfortable operation  Unique non-slip design ensures better laptop grip  Elegant rubber finish  Specification :   Overall Dimension :  355*255*30 mm  Fans Dimension :  125*125*15 mm (2pcs)  Fan Speed :  1000RPM +_ 10 %  Material :  ABS and iron net  Net Weight :  685G  Noise :  15dBA  Warranty from Farraige :   All Farraige Product Backed by 1 year Warranty (Physical Damages are not covered)