Specification Dimensions: 403 x 300 x 34MM Fan Size: Total of 5 fans @ 110 x 110 x 15MM(1PCS) 85 x 85 x 15MM Fan Rotating Speed: 1100RPM(1PCS): 100010% 85RPM(4PCS): 150010% Material: ABS + HIPS + MENTAL MESH Rated Voltage: DC 5.0V Rated Current: 0.5-0.865% USB Port: 2 Length of USB cable: 60cm Air flow: 1310% (Single fan) Weight: 800g DBA: 43 Packaging include 1x HAVIT HV-F2068 5-Fan Laptop Cooler 1 x USB Cable 1 x Service Card 1 x User Manual