TechnoZone L 2 Gaming Laptop Fan

overall dimension:350*253*34mm 1Big fan dimension:120*120*25mm 4 Small fans dimension:70*70*15 mm Big fan speed :1200±10% RPM Small fan speed:1600-1800 RPM Material: Plastic and iron mesh 2 USB ports+2 switches Up to 15.6” laptops 2 Adjustable angles