Black 5V USB Power Silent Computer Cooling Fan for Computer Case CPU Cooler<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>material:plastic，wire rod and metal</li><li>USB power computer cooling fan</li><li>voltage is 5v and the fan speed is 1300rpm±5%</li><li>power cable length is about 42cm</li><li>unique fan blade to reduce turbulence and noise</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41cgLSAYmtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416qIEUGUHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/418gZvRDFQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/419DKipiOWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ol7mX4eiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41TSKCEjiaL.jpg" noproxy>