FM Transmitter for Car with Bluetooth MP3 Player and Dual USB Charging 1、Protective Function: The charger comes with overload guard, ensuring safe and reliable in car charging. It gives you peace of mind when charging your devices while on the go. 2、Dual USB Interface: Equipped with 2 USB ports, the car charger allows simultaneous charging of 2 devices, delivering convenience and efficiency, giving you more convenience. 3、Bluetooth Connectivity: The Bluetooth feature supports connection with mobile phones, enabling stable transfer of music. Listen to your favorite tunes without dealing with tangled wires. 4、Multifunctional Design: More than just an MP3 player, the device also supports FM radio reception, device charging and many other features, providing versatility. 5、Compact and Convenient: The Bluetooth MP3 player is designed for in car use. It offers easy use, doesn't take up much space, and is suitable for various types of vehicles.