The UDG Ultimate Headphone Jack Adapter Screw 3.5mm (1/8”) to 6.35mm (1/4”) connect your headphone’s mini-jack plug to a larger stereo jack output. It has a grippy surface to help you grab hold of it. The gold-plated adapter provides a solid connection without compromising sound quality. FEATURES • Gold-plated contacts • Adapter Stereo Mini Jack F / Stereo Jack M (Screw-in) • High-end realisation • Nice grippy surface to help you grab hold of it • Stereo jack adapter - 3.5mm (1/8 inch) mini jack socket stereo - 6.35mm (1/4 inch) jack plug stereo • Fits correctly on most headphones - Just screw and play • Please note that this 3.5mm female ports only compatible the 3.5mm male cable with screw threaded