... 2.9 years' manufacturer 3.provide OEM,ODM Specification of Phone Jack series Temperature -30~70°CWithstand Voltage AC 500V ( ... Withstand Voltage: AC500V.50HZ/min Life: 5,000 CyclesApplication of Phone Jack series Widely apply to:1.Audio Products:MP3,MP4 ... of automobile domestic security products; 4.Communication Products:mobile phone,vehicle-mounted phone,telephone set,building equipment,PDA and so on; ...