Upgraded Version Car DAB Radio: Upgrade your existing car radio system to multi-functional: Digital Radios + Bluetooth Handsfree QC 3.0 QUICK CHARGE: The bluetooth FM transmitter comes with 2USB ports, two fast charging USB ports support QC3.0 and 5V /2.5A, which can quick charge two devices simultaneously, the other one is used for USB music playback. Call + Wireless Music Streaming + 64GB TF Card Music Play + USB Car Charger. Wider station choice in your car, all in crystal clear digital DAB quality. Handsfree Call and Car charger : With built-in mic of this Bluetooth DAB transmitter, you can make handsfree call while driving, it enables you to answer, hang up, reject a call or redial the last number conveniently. Also with a USB port, you can charge your phone or tablet while driving on the way.2 Connect Way and Warranty: It works with your existing car audio system using a simple aux-in cable(included) or by transmitting over an unused FM frequency.