?Reliable Customer Support?24-hour free online Q&A, 30-Day unconditional refund or replacement, 12-Month unconditional warranty, you can also extend it to 18 months for free via support(at)lokuka.com, and lifetime technical support will solve any issues for you. Buy with confidence and contact us freely!. ?1-to-2 Dual Connection?This car Bluetooth adapter has a 1-to-2 feature that allows you to connect two phones simultaneously, making it easier to share music and switch between two devices. It also has an automatic reconnection feature, ensuring that it automatically connects to your phone when you return to your car. ?Durable Design?With a 3.5mm audio output and high-fidelity transmission via enameled copper wire cores, this bluetooth car kits delivers high-quality sound with no noise or current sound, ensuring that you enjoy a crystal-clear audio experience. Also support mobile phone music and call functions, with car echo cancellation. Its compact and portable design makes it perfect for travel, and the zinc alloy cg ensures that it's durable and long-lasting. ?Bluetooth 5.1, Stable Connection?This aux Bluetooth adapter for car uses Bluetooth 5.1 technology, which offers a stable connection and no latency or lag. You can enjoy uninterrupted music streaming without any stuttering or buffering with this 3.5mm bluetooth adapter. The built-in antenna design can realize 0-10 miles of long-distance transmissions. ?Add Bluetooth to your aux devices?LOKUKA USB to 3.5mm Bluetooth car audio adapter is easy to use. Simply connect it to the Aux port of your car stereo, speaker, amplifier, headphone, or any other audio device, connect the USB port to power the Bluetooth, and it's ready to use. The green light flashes quickly when it's USB-powered and turns into a slow flash when the Bluetooth "YP04" connects successfully. LOKUKA aux bluetooth adapter supports music, hands-free calls, voice navigation, etc.