1. Bluetooth connection: This product has a built-in Bluetooth module, which supports Bluetooth connection to mobile phones or other devices. You can play audio through Bluetooth and enjoy a higher-quality music experience. 2. Multiple storage methods: The player supports multiple storage methods such as U disk, TF card, etc., which is convenient for users to access various media resources such as songs and e-books. 3. FM radio: This product supports FM single-segment radio, you can choose different stations to get the latest news and popular music. 4. Ease of use: This product is very suitable for those who pursue simplicity and ease of use. The product is easy to operate and easy to use, and does not require complicated steps or instructions. 5. Compact design: The product is moderate in size, compact and light, easy to install and disassemble, and will not take up too much space in your car, and the appearance design is very beautiful and fashionable. In short, this car Bluetooth MP3 single-spindle car plug-in card U disk FM radio Bluetooth MP3 player is a streamlined and functional car audio playback device. Users can connect the device via Bluetooth, bring a U disk and TF card, and easily access the entire music library. If you don't need complicated features, but want to maintain quality and reliability, then this product will be a good choice for you.