Bluetooth Transmitter Receiver: This wireless adapter can be used as both a transmitter and receiver, enabling seamless audio streaming from your TV, phone, or CD player to your Bluetooth headphone, speaker, AirPods.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.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.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.Note:Before using the product,it must be fully charged.You can take this Bluetooth audio receiver whenever you go,Very good companion for drivers.If you encounter any problems during use, please feel free to let us know and we will help you at any time.