OKCSC HIFI Headphone Plug 3.5/0.78mm ER4P EXK FitEar AD2C W40 HD580 QDC IE80 IE40 JH to MMCX Earphone Conversion Pin Connector WholesaleBuy Directly From Shop107098 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.