Total length: 30cm (12 inch). Handy and portable, suitable for use in small audio devices. Items come with 18 months warranty and lifetime support. 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. Pure copper wire provide maximum's conductivity and durability, which can transfer high purity audio signal with minimum loss and bring you different auditory experience. With gold plated connecters for corrosion resistance and better transmission, a more durable choice for you. 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.