Add Bluetooth to your AUX devices - Easy to use the 3.5 mm Bluetooth AUX vehicle sound adapter from USB. Connect this to the AUX port of your tool stereo, speaker, amphitheater, headset or another audio device and run the Bluetooth by connecting the USB port to a USB charging jack. Then, open the phone's bluetooth and connect 'YP04'. When it works with USB, the green light quickly flashes and Bluetooth 'YP04' successfully connected to a slow flash. The AUX Bluetooth adapter for the car is music, hands calls, voice navigation and so on. Supports. .Bluetooth 5.3, stable connection - for cars, this Bluetooth receiver uses a stable connection and Bluetooth 5.3 technology without delay or delay. With this 3.5 mm Bluetooth receiver, you can enjoy uninterrupted music flow without any stuck or intermediate memory. The internal antenna design can perform 0-10 mile long distance transmission. .1 to 2 pairs of connections - this vehicle Bluetooth receiver has 1 feature that allows you to connect the two phones at the same time, so that it makes it easier to share music and switch between the two devices. In addition, when you to your car, it has the ability to automatically connect to your phone automatically. . CLOSE SAFT WITH FREE CALLS - Enjoy Hands phone calls, voice navigation, or phone music through the speakers of your vehicle directly with the internal microphone of the AUX adapter from Bluetooth. Focus on the road and secure every journey! Inserting the USB for power, there is no need to charge - this is a Bluetooth vehicle adapter and run a solution. Only connect your vehicle to the Aux jack of 3.5 mm and run it via USB; No battery charge! Each time you run or turn off the car, it automatically opens or closes. Design - with high quality transmission through 3.5 mm sound output and enamel copper wire seeds, this wireless Bluetooth vehicle kit high -quality sound without noise or flow sound and enables you to enjoy a crystal clarity sound experience. It also supports mobile phone music and search functions with the cancellation of the vehicle echo. The compact and portable design makes it perfect for travel and the zinc alloy case makes it durable and long -lasting. Customer support - Our 24/7 customer support will solve almost all problems for you. We aim to better Bluetooth audio adapter cables and purchasing experience for our customers. Enjoy with products! . Summer Tip 1 - Please note that the USB port is only for active Bluetooth (not for sound transfer as the Aux cable) and the microphone is placed on the USB port. If you are using this AUX - Bluetooth adapter on an ISO phone when using the microphone 2 - when using the microphone, we recommend that you set the device type on your phone to 'speaker'. When the shame clue is operated with 3 - USB, the green light quickly flashes and Bluetooth 'YP04' successfully connects slowly into flash when connected successfully.