3 Music Streaming Ways - Bluetooth 5.0, Aux, U Disk: This FM Transmitter Car Bluetooth can provide Bluetooth functionality to your car, so you can stream via Bluetooth 5.0 connection or U Disk (32 GB) Stream music and enjoy it through the car radio. If you don't find a free frequency or the background noise is too loud, you can use the included AUX cable to connect and enjoy true CD-like sound quality. Crystal clear hands-free calling and voice navigation: Bluetooth transmitter The built-in microphone in the car collects your voice from all directions. The latest CVC 8.0 noise reduction technology prevents more road noise, wind noise and other interference. This ensures that both you and the caller can hear clearly. And you get clearer voice navigation without worrying about going the wrong way. PD 20W + QC3.0 18W Fast Car Charger: This bluetooth adapter car is also a car charger, which can charge two devices at the same time through PD20W and QC3.0 ports, 4 times faster than standard chargers. With the cigarette lighter bluetooth adapter, you can quickly charge 2 devices like smartphone, tablet, headset, smart bracelet or camera at the same time. 7-color ambient light + bass amplification: The ring-shaped part around the car Bluetooth adapter can emit different light colors of red, green, blue, yellow, purple, light blue, and white. Long press the light key until the screen displays "b1", the music can be set to bass boost mode. This FM transmitter accompanies your night rides to ensure your safety and bring you more driving pleasure.