Latest Bluetooth 5.3 technology for faster, more stable and smarter connection with less sound quality loss, uninterrupted calls, and music experience | 2 USB ports(PD 36W and USB A 18W) allow for simultaneous charging of two devices with built-in over-current protection, over-voltage protection, intelligent temperature control, and short circuit protection for safe charging. | Tune in to your favorite station on your car's radio and stream music or podcasts directly from your phone or MP3 player with this FM transmitter Bluetooth device. | Enjoy powerful deep bass and immersive stereo sound with the press of the "B" button, making music more dynamic and pleasing to the ear, taking your passion for music to a new level. | 36 months warranty and lifetime support offered with the option to contact customer service if the product does not fit your car or work correctly. Plus, it comes with a phone holder and can be installed on your dashboard or windshield.