With the Monster Bluetooth FM Transmitter and 20W Car Charger, you can listen to your favorite songs and much more. You can now stream music from any compatible device direct to your car’s stereo, you will also be able to have hands-free phone conversations without a complicated setup. Use it with Siri and Google Assistant to have full voice control over your device. There are also 2 charging ports for Type-C and USB compatible devices with a combined wattage of 20. If you have any songs stored on a USB flash drive, there’s a third port on the transmitter that allows you to play music from your drive instantly. Use the Bass boost button and you’ll be able to greatly enhance how your audio will be presented. Listen to your favorite songs and charge your most important devices with the Bluetooth FM Transmitter and 20W Car Charger.