Plug and Play: Bluetooth car adapter with aux design and ON/OFF button. When you turn on the button, it automatically enters pairing mode, very easy to use. Compact design for easy portability: The Bluetooth car adapter takes up little space, so you can take it with you anywhere. Connect it to your vehicle, speakers, or any headphone jack, and the 3.5mm jack design gives you no tangled wires to untangle. The independent multi-function button on the car Bluetooth receiver allows you to easily control music, volume, and calls with one click. Our promise: If you are not 100% satisfied with your order, our amazing customer support is always ready to help. Bluetooth Aux receiver for car. The Bluetooth 3.5mm Aux receiver can turn your old car stereo/3.5mm wired headphones/home stereo/speakers into wireless. Compatible with most Bluetooth-enabled devices, such as smartphones, laptops, tablets, and computers. The latest Bluetooth 5.0 technology enables a 10-meter long range and stable connection, providing you with 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, you don't need to use the phone's interface, so you can drive safely.