FeaturesThe converter can convert MP3, MP4, computer, mobile phone and other players that support BT function to car cassette tape.Easy to use, you just need to insert the converter into your car cassette player after BT pairing, then press to play and enjoy music.Support for BTsvarcalls, music playback audio format AAC, MP3, SBC, stereoClear sound and good sound quality, providing wonderful listening pleasure.With the builtin lithium battery, rechargeablerecyclable, more convenient and economical.With this converter, you can enjoy your favorite music while driving or through home appliances, no longer limited by radio station, making your driving and life more relaxing.SpecificationsMaterial ABSColor BlackPower supply 13.7V 120mAh batteryItem size Approx. 10.26.41.2cm4,022,520.47inItem weight Approx. 37.5g1.32ozPackage size Approx. 1911.21.3cm7,484,410.51inPackage Weight Approx. 52.5g1.85ozPacking list1Cassette Tape Converter