The Ugreen Bluetooth AUX adapter is the perfect solution for wireless audio streaming in your car or home sound system. Simply plug it into a 3.5mm AUX port, pair it with your smartphone and enjoy high quality, hands-free music and calls. Bluetooth 5.0 technology ensures a stable connection with low latency for seamless playback. The integrated microphone enables clear calls, while the compact and USB rechargeable design ensures mobility and convenience. Enhance your audio experience with this easy-to-use and powerful Bluetooth transmitter.