... supply xinyujie 4020 dc brushless air-condition cooling fan Product name:5V ... Start up Voltage:3VCurrent Amp:0.20-0.28 ASpeed : 5000-7500 ... 2.Application :Widely used in computer communication products, optoelectronic products consumer, electronic products ,automobile electronic equipment switch, medical equipment, heater, air ... Whenever any rejects are complained by customers or our internal departments, ...