KFD products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specifications Warranty: 30 Days Money Back Guarantee/12 Months - Free Exchange ; Package content:1*AC Adapter,1*US Cable,7 Tips(5.5*3.0MM /5.5*1.7MM /4.0*1.35MM /3.0*1.0MM /6.5*4.4MM /5.5*2.5MM /4.5*3.0MM)