Technaxx DT-02 cassette adapter (wireless MP3 players, headphones, SDHC card slot, built-in lithium-ion battery for the car radio and cassette deck) (Accessories)
Actually a good idea to listen to music with an old cassette player MP-3. But that does not work well with any device. I wanted an old car radio so that "upgrade", which sits in a vehicle with H-plates. The Radio (Grundig) is quite high and norm