... :super quiet, 25000h working life personal mini USB air cooling fan Specifications:MaterialABS&PPCertificatesCE,FCC,ROHS(optional)Colorpink ... ,grey,blue(customized color available)Power&Voltage2.1W(Max)/5VCurrent420mA(Max)Speed2300RPMPackageColor box+outer cartonColor box size149.73(L)× ... safe.3.New generation of DC brushless technique, lower running voltage and current, power just 2.1W, energy saving ...