🎶 Elevate Your Drive with Wireless Freedom! Sleek and unobtrusive, this adapter fits perfectly in your car's interior. Stay safe on the road with hands-free calling functionality. Experience crystal-clear audio with Bluetooth 5.0 for uninterrupted streaming. Enjoy music from USB, SD, or AUX sources—your playlist, your way. Easily connects to your BMW e46/e39 with round pin for a hassle-free setup. Bluetooth 5.0 connectivity A2DP audio streaming USB & AUX compatibility The Bluetooth A2DP Handsfree USB SD AUX Adapter is designed specifically for BMW e46 and e39 models, offering seamless audio streaming and hands-free calling. With Bluetooth 5.0 technology, it ensures a stable connection and supports multiple input options, making it the perfect accessory for music lovers on the go.