The "tape changer" in accordance with the normal way of placing a tape into your car's tape recorder (cassettes)<br> The "Tape Converter" on the attached audio cable into the CD, MP3, MD, DVD, VCD and other audio output device, and then play CD, MP3 or MD, the car recorder to the appropriate adjustment, so you enjoy CD, MP3 player or MD wonderful love songs in car! This is Arsvita bluetooth 5.0 cassette tape player receiver adpater for you car.