Add Bluetooth functionality to your assistive devices - USB to 3.5mm Bluetooth car audio adapter is easy to use. Simply connect it to the auxiliary port of the car stereo, speakers, amplifier, headphones, or any other audio device, and then connect the USB port to the USB charging jack to power Bluetooth | Stereo: Equipped with the latest Bluetooth 5.3 chipset, the 3.5mm Bluetooth adapter provides a stable 10 meter connection without delay. | Hands free communication: The bluetooth aux adapter car is equipped with a high-definition microphone for hands-free communication, freeing up both hands. Bluetooth 5.3 ensures smooth and delay free listening during music calls, stable and echo free connections, and seamless listening. After successfully pairing the phone and device for the first time, it will start from the car and connect freely | Plug and play: The bluetooth car adapter is very easy to use. Simply plug it into the 3.5mm auxiliary jack and power it through the USB port! When you open the car, the auxiliary Bluetooth adapter will automatically connect to your phone. This Bluetooth car assistant adapter can remember up to five devices and allows users to pair and share two devices simultaneously without encountering any issues. | Durable and portable: The aux bluetooth adapter for car is made of zinc alloy connectors, enhancing the durability of the Bluetooth 3.5mm adapter. The car USB Bluetooth adapter is equipped with high-quality TPE elastic cables ranging from 0.3M-1.13M, which can meet your needs in different situations. The Bluetooth kit is compact in size and won't take up any extra space in your car.