... 1W,2300RPM 5.Features:super quiet, 25000h working life personal mini USB air cooling fanSpecifications:MaterialABS&PPCertificatesCE,FCC,ROHS( ... Colorpink,white,black,orange,grey,blue(customized color available)Power&Voltage2.1W(Max)/5VCurrent420mA(Max)Speed2300RPMPackageColor box+outer cartonColor ... of DC brushless technique, lower running voltage and current, power just 2.1W, energy saving.4.Fan's life ...