... parts, Telecommunication accessories etc., OEM projects in plastic parts and PCB(Printed Circuit Board) assemblies are our central industry in near ... HDMI keystone jack, USB keystone jack, RCA keystone jack, F81 keystone jack, BNC keystone jack, normal 3.5mm audio keystone jack, toslink keystone jack, RJ45 keystone jack etc ... kindly contact with us. Thank you! Audio 3.5mm mini modular jack