Stable Bluetooth: The Bluetooth car adapter is equipped with the latest Bluetooth with a stable connection/fast transmission/wide signal range. This Bluetooth receiver can be paired with most Bluetooth devices, don't worry about connection problems. All in One: our Bluetooth aux receiver is light and small, easy to carry, simple appearance, and convenient operation. The multi-functional button makes it more convenient to use, answer the call or not, redial the last call, adjust the volume or switch music tracks. Noise-cancelling Mic: Built-in microphone of the Bluetooth receiver adopts the latest noise reduction and digital signal processor technology to bring you a richer and clearer sound experience. Bluetooth aux makes your driving safer. Simultaneous Connection: The portable Bluetooth stereo adapter can be paired with 2 devices at the same time. You can enjoy your music and never worry about missing any calls. Of course, it needs to turn on the Bluetooth function at the same time for pairing. Long Time Working: The car's Bluetooth receiver has a long working time of 8 hours, so there is no need to worry about losing power when answering the phone or music. In addition, we have a USB charging port, and you can even use our Bluetooth adapter while charging.