Product Description: E6 Car Bluetooth 5.0 MP3 Player Modulator Dual USB Fast Charging FM Adapter Transmitter Advanced Bluetooth 5.0 Technology: Experience a more stable connection and clearer call quality with the latest Bluetooth 5.0 version. Enjoy seamless audio streaming and hands-free calling for a superior in-car experience. Versatile Music Playback: Expand your music library with support for memory cards and U Disks. This device supports multiple audio formats, including MP3, WMA, FLAC, WAV, and APE, allowing you to enjoy your favorite tunes in high quality. Dual USB Fast Charging: Equipped with dual USB ports, this adapter allows you to charge two devices simultaneously. With built-in overcharge protection, you can safely power up your devices without worry. Dedicated USB Ports: The USB port with a music icon (5V/1A) is designed to read USB disks, while the other USB charging port (5V/3.1A Max) provides fast charging for your smart devices, ensuring they are always ready to go. Convenient Features: Keep track of your car's battery health with the built-in voltage monitor. The LED digital display provides clear visibility, making it easy to use and monitor your device's status. Upgrade your driving experience with the E6 Car Bluetooth 5.0 FM Transmitter. With its advanced features and user-friendly design, it offers a perfect blend of entertainment and convenience for every journey.