If you have a quarter inch cable or plug that needs to be changed into a 3.5mm connection, you've come to the right place! This handy adapter allows you to easily convert a quarter inch stereo plug into a 3.5mm jack. No software or power is required for this adapter. It is plug & play, and is super easy to use! It has nickel plated contacts which means you will get the best conductivity possible. You can expect the highest quality with this product, and you just can't beat the price!