Car Bluetooth MP3 Player Fast Charging Charger 1. Bluetooth version: V5.3 2. Working voltage: 12V-24V 3. Transmission distance: 10m 4. Output port: 3 5. PD port output: 5V3A 15W 9V2.77A 24.93W 6. PPS: 3.3-5.9V3A 17.7W 3.3-11V2.25A 24.75W 7. FM transmitting frequency: 87.5MHz-108.0MHz 8. LED intelligent digital display, real-time monitoring, real-time display of voltage values, making driving safer 9. Wirelessly connect smartphones, tablets and other devices through Bluetooth compatible technology to achieve convenient music playback and hands-free calls 10. The transmission reaches the lossless level, the response is fast, the low-power connection is more naive, and the sound quality is closer to lossless Simple operation, intuitive button or touch controls make switching music, adjusting volume and setting playback modes quick and easy 11. With mobile phone charging function, you can charge mobile phones or other devices during the trip to solve the problem of insufficient battery. 12. Power-off memory playback function: Automatically reconnects after power-on, memorizes frequency, and restarts the track after power-off from the first sentence of the disconnected song. 13. Supports multiple music formats such as MP2MP3APE to bring CD-level music experience 14. Built-in microphone, supports Bluetooth hands-free calling and can answer calls safely and hands-free 15. Bluetooth 5.3 chip, built-in performance decoding module, high-performance stereo signal is stable without lag, listening to music smoothly without delay, suitable for car use 16. Built-in seven-color ambient breathing light, which can adjust different lighting modes 17. Net weight: 41g 18. Size: 4.5x5.25x7.58cm