3.5 stereo headphone automatic Retractable cable 1.ROHS Standard 2.Strong tenacity, Wear-resisting 3.PVC,ABS 4.Right Pricing 3.5 stereo headphone automatic Retractable cableSpecifications: 1. Material of plug 1) Steel case: Nickel plating outside and copper bottom 2) Material of plastic core: TRP White plastic with resistant to high-temperature 3) Terminal contact pin: 100% Copper and gold- ...