You can enjoy listening to your favourite music tracks through your car radio cassette player with this Nedis Cassette Adapter. It easily connects devices with a 3.5 mm headphone connection, such as your mobile phone or MP3 player, and produces a quality sound. All you need to do is connect the cable of the adapter to the 3.5 mm headphone connection on your device and insert the cassette into the cassette player. Note: The cassette player must have an open access.