Plug and Play: Bluetooth car adapter auxiliary design with ON/OFF switch, when you turn on the switch, it will automatically enter the pairing mode, very easy to use.Compact Design for Easy Portability: The bluetooth car adapter takes up little space, so you can take it anywhere. Connect it to your vehicle, speakers, or any headphone jack, and the 3.5mm jack design gives you no tangled cords to untangle.The independent multifunction button on the bluetooth receiver for car allows you to easily control music, volume, and calls with one click.Our promise: If you are not 100% pleased with your order, our amazing customer support department is always ready to help.Bluetooth Aux Receiver For CarThe bluetooth 3.5mm Aux receiver can turn your old car audio/3.5mm wired earphones/home audio/speakers into wireless. Compatible with most Bluetooth-enabled devices, such as smart phones, laptops, tablets,and computers.The latest Bluetooth 5.0 technology allows for 33 feet long range transmission and stable connection, giving you a pleasant music environment while driving.Built-in HD Microphone: This bluetooth aux adapter has a built-in HD microphone, just press the power button to answer or hang up, pause or play music, no need to operate the phone interface, so you can drive safely.