[The 6.35 mm to 3.5 mm cable adapter connect 3.5mm Male to 6.35mm Female allows you connect headphones to audio devices such as amplifiers or AV receivers with 6.35mm socket widely work with earphone microphone amplifier guitar piano mixing console home stereo system karaoke system and etc. With gold plated connecters for corrosion resistance and better transmission a more durable choice for you. "Pure copper wire provide maximums conductivity and durability which can transfer high purity audio signal with minimum loss and bring you different auditory experience." 3.5mm to 6.35mm stereo adapter compatible with smartphones tablets iPod laptop or headphones with standard 3.5mm ports to audio devices with a 6.35mm stereo cable. Total length: 30cm (12 inch). Handy and portable suitable for use in small audio devices. Items come with 18 months warranty and lifetime support.]