Turn your car into Bluetooth: Maedhawk Bluetooth car adapter is used in devices without Bluetooth, redefine your audio system, turn your old car stereo, home HiFi stereo or speakers into wireless audio playing. (Does not support transmitting function) | Bluetooth 5.3 Receiver: The Aux Bluetooth adapter for car equipped with high performance Bluetooth 5.3 chipset, provide stable signal, dynamic CD sound quality and lower power consumption; Clearer and faster transmission speed, let wirelessly listen to songs or calls, refuse to delay and lag. | Microphone Stronger: The bluetooth receiver for car upgraded CVC8.0 noise cancellation and digital signal processor DSP technologies, built-in enhanced microphone ensure we much brighter clearer sound while calling, make you clearly hear the other voice. Realize hands-free calling, also ensure your driving safety. | USB Power Supply: The bluetooth adapter for stereo receiver is plug and play. Just plug it into the 3.5mm aux jack and power it by the USB port power DC 5V/1A. Cell phone connected to the car stereo, you can listen to all the music in your phone, enjoy the never stop music streaming. | Braided Elastic Cable: This car bluetooth adapter aux with a 0.3M-1.5M durability elastic cable, not take up space as it's mini size and meet the length of any demand in your car. The Aux to Bluetooth adapter will automatically connect with your phone when you turn on the car. | Service: If you encounter any problems during use, please contact us and we will help you at any time.