0.78mm Headphone Pin Thick Wire Large Aperture W4R UE18 UE11 UM3X 0.78 pin Features: l High accuracy and stable performance, can work fluently l Nice replacement for broken or old one, make your device work properly l High quality for professional use l Easy and convenient to install and remove Specification: l Color&Types (Optional): Black 3.5mm, Black 4.5mm, Silver 3.5mm, Silver 4.5mm l Quantity: 1 Pair Package Includes: l 1x Headphone Pin (Pair)