Bluetooth FM transmitter. Product Features: QC3.0 fast charging and 2 USB ports Charge 2 devices simultaneously with our Bluetooth adapter for your car One port is Quick Charge 3.0 port, up to 4 times faster than standard chargers, capable of charging compatible devices up to 80% in just 35 minutes, and the other USB charging port (5V/1A) also serves as a U drive port for music playback Immerse yourself in your favorite Hi-Fi music: Insert a USB flash drive ( 32G) into the "blue" USB port and enjoy your music. If that’s not enough, you can also play music from your smartphone, iPod, tablet, and other Bluetooth-enabled devices Bluetooth FM transmitter will provide an amazing sound experience with clear and stereo sound Hands-free function and wide compatibility: The high-quality microphone with noise reduction technology (CVC) allows you to make clear calls. One button to answer/repeat/reject or end calls Bluetooth V5.0 and 6-axis protection: With advanced Bluetooth V5.0 chip, this Bluetooth FM transmitter offers faster connection and more stable sound than others. Equipped with protection against flow current, over voltage, overcharge, overload, overheating and short circuit, it is more reliable and safe to use Assistant for safe driving: Our Bluetooth FM transmitter supports voice commands A 3