Features - 140mm blue LED fan. - Crescent shape with metal mesh panel design provides great air flowing. - Unique crescent structure provides comfortable using. Specifications Application For Compatible with 15.6 #34; notebooks and below. Technical Spec Overall Dimension: 340X250X25mm Fan Dimension: 140X140X15mm Net Weight: 575g Bearing Type: Hydro Bearing Rated Voltage: 5VDC Operating Voltage: 4.5 #34; #39; #39;5VDC Started Voltage: 4VDC Rated Current: 0.1310%A Power Input: 0.65W Fan Speed: 100010%RPM Max. Air Flow: 46.11CFM Noise: 21.6dB(A)