Seamless connection, safe drivingThe box-type Bluetooth receiver easily answers the car's hands-free voice, taking your driving experience to the next level. Whether it is a smartphone, tablet, Hi-Fi system, portable speaker or car stereo, as long as they support Bluetooth technology, they can be perfectly matched with our receiver. Extra-Long Play Time The cassette adapter with Bluetooth 5.0 technology is equipped with advanced chips to bring you a more stable, faster and more energy-efficient music experience.Built-in battery provides up to 8 hours play time, only takes 1.5 hours to fully charge it.Excellent audio performance, so you won't be bored while driving.Comfortable and easy to use designOnly 3 steps are needed to save your boring journey. First, put in the cassette player, then connect the phone via Bluetooth, turn on the music, and enjoy the music easily. If you encounter any difficulties during use, please contact us! Premium Sound Quality for MusicEvery small part of the car Bluetooth audio adapter has been tested thousands of times, and the materials of each part have been carefully selected. In order to minimize noise and achieve high-quality music enjoyment. Give it a higher cost performance. Equipped with a stereo dual-channel audio transmitter to achieve stereo surround.Why do you need me?When you have a vintage car with a tape player, use this tape adapter to give your classic car a new look. You don't need to replace or modify your car to avoid ruining his original classic!