describe: Enjoy music: The cassette adapter transmits stereo audio for high-quality sound, connect your music library to the car cassette deck, you can enjoy driving music with the cassette player, you will never be bored while driving Cassette Adapter: The cassette converter with 5.0 technology can conveniently play music on your smartphone by connecting to achieve a wireless connection between the phone and the player Support call function: The built-in microphone can support the call function, making and answering calls without delay, no longer need to pick up the phone to answer incoming calls; cassette adapter with USB charging LED indicator light, convenient charging UNIVERSAL COMPATIBILITY: Cable tape adapter supports cell phones, tablets, MP3 players, car stereos, headphones, portable speakers or other devices with standard technology, perfect for home or car audio systems Easy to use: The control button box adapter allows easy manual control and is convenient to operate; just connect the cassette adapter to the CD player in your car, then the cassette adapter will start playing music on your phone Package Contents: One Tape Converter