Quantity 1 piece(s) Color Black Material ABS Power Supply No V Interface Stereo 3.5mm jack Other Features Track: mono; This product is suitable for car cassette machine household recorder portable cassette-tape player such as a tape player; Convert MP3 MP4 CD MD computers phones etc to tape player; Place the tape as the normal one into your car recorder (audio cable out) and plug the audio cable on the headphone jack of your audio device (MP3 MD CD laptops) then turn on the audio device play the recorder switch and enjoy your music freely in your car Packing List 1 x Adapter