<p>[Wireless in-Auto Bluetooth Adapter ]: , It is very good little tool. It can transmit the music in the mobile phone to the car speaker clearly and loudly, it almost no noise. Moreover, The Bluetooth hands-free dialing\/receiving calls that works well, double USB charger port for your mobile charge, equipped with colored LED lights to create a driving atmosphere.</p> <p>[Easy to use]: You can mount it on the car or on the dashboard. The 1.1-meter cable provided means this device can be used anywhere in the car.In addition, when a call comes in, the bluetooth car adapter will automatically switch from the music playback mode to the bluetooth hands-free mode.</p> <p>[2 Charging Ports \u0026 Bluetooth hands- free ]: The car bluetooth adapter supports charging 2 devices simultaneously, one QC 3.0 charging port (5V\/3A), another USB charging port (5V\/2.4A). the USB radio bluetooth adapter supports hands-free calling , you can answer\/ reject\/ redial calls with one click ,make driving .</p> <p>[Wide compatibility]: It supports for Android and IOS systems, with the Smart bluetooth 5.0 chip which background noise reduction that makes the car music and phone calls clearly. The bluetooth car aux adapter has three modes of music playing, via Bluetooth connecton \/micro-SD card \/ Aux In, choose you way to play your music.</p> <p>[7 Lighting Effects]:The FM bluetooth car transmitter has 7 lighting adjustment modes , which can be used to illuminate the car inside and match different music mood.Short press the \</p>