... Sensitivity: 96±3dB1:Do your company can provide the OEM and ODM service ?Yes,of course .,we have our own enginer ,so ... ,injection machine,even our factory make the mold for many another earphone factory .4:what kind of Micphone and remote for this earphone ?Package ... contract ,our factory will rework,replacement or damage the defective items and make the new ones . Reterun:1:Before delivery ,every ...