Fast Charging? Eller Free Calls: Net and comfortable hands for communication for communication, makes your driving experience r. . Double USB port for fast charge: Charging two devices at the same time with a dual USB port, including high-speed USB Type-C. The total output power of 2.4 A provides fast and efficient charge for your smartphone, tablet or other devices. .? and Usage: Insert the FM transmitter to the lighter socket of your vehicle, match your bluetooth device, and adjust the FM frequency to match your vehicle radio. Start making music streaming or searching easily. .? LED screen and intuitive controls: LED display shows the available FM frequency, voltage and incoming search information. Convenient buttons allow you to adjust the volume, change parts, and effortlessly answer or reject searches, and improve your driving experience. .? Large compatibility and stylish design: Most of the smartphones, tablets and mp3 players, support TF cards and USB drivers for direct music playing. Compact, matte -coated design provides durability and style by perfectly adapting to the interior of your vehicle.