Earphone with mic factory With ce, rohs and fcc marks Competitive price Accept oem and odm, standard kingyou brand 3.5 4 -pole earphone with microphone Impedance: 16|¸ Microphone: 0-42db Length: 1.2m Plug: 3.5mm Box packing Designed in usa Materials: Earphone with mic shell: abs Cable: tpe Plug: nickle-plated, 3.5mm, 4 poles Earphone with mic earmuff: silicone Earphone with mic packaging: polybag, pe bag Color box/blister + card and more Per carton: 200 pieces Size of carton: 60*31*28cm Gross weight: 7.7kg
