The RadioShack Headphone Adaptor is a portable adapter that allows you to convert a 3.5mm female headphone jack to a 6.35mm male phono plug RCA audio cable. This versatile accessory is perfect for connecting your headphones to your stereo system or home audio equipment, ensuring a seamless and high-quality listening experience. Its compact size makes it easy to use on the go, providing convenience and flexibility for your music gear needs.