UGREEN 6.35mm 1/4 inch Male to 3.5mm 1/8 inch Female Stereo Audio Adapter Gold Plated, 5 Pack Ugreen TRS 3.5mm female to 6.3mm male 1/4" to 1/8" audio adapter is a convenient and cost-effective way to connect smartphones, tablets, iPod or headphones with standard 3.5mm 1/8 inch plugs to audio devices with a 6.35mm 1/4 inch stereo jack, making your favorite headphones or other devices compatible with most pro audio and home audio equipment, such as amplifiers, mixing console, home theater devices or AV receivers. EXCELLENT SOUND&BUILD QUALITY: This 6.3 to 3.5 audio jack converter made of solid brass copper, with a much longer service life compared with those plastic connectors with metal painting. 24K Gold-plated connectors resists corrosion and ensures minimal signal loss. THOUGHTFUL DESIGN: The stereo jack adapter dopting gear grinding technique, 360 degree grip treads help easy plugging and unplugging. Mini size and portable. POWERFUL CONNECTORS: Stereo In and Out 1/8 inch to 1/4 inch TRS adapter. NOTE: This converter requires the plug with TRS 3 conductors, rather than TS(2 conductors) or TRRS(4 conductors). LIFETIME WARRANTY: Backed by Ugreen Lifetime hassle-free warranty and friendly customer service.