1.wired jack 6p2c,4c,6c,with different colors 2.UL Approval,RoHS, ... .F max 2.Retention Strength:7.7KG.F min between jack and plug 3.Durability:600 mating cycles minMaterial 1.Housing ... ,15u inch,30u inch,50u inchEnvironmental Working Temperature:-40°C to 70°C 623K wired jack/telephone socket connector