🎶 Stream Your Way to Freedom! Built-in protection circuit for stable performance. Enjoy 9 hours of uninterrupted music bliss. Low distortion & high signal-to-noise ratio for premium sound. Connects in just 1 second after first use! Dual noise-canceling mic for crystal-clear calls. 9 hrs playtime Bluetooth 5.0 300 hrs standby The UGREEN Bluetooth Receiver for Car is a portable audio adapter that utilizes Bluetooth 5.0 technology for seamless connectivity and high-quality sound. With a built-in microphone for hands-free calls, it offers 9 hours of playtime and 300 hours of standby, ensuring you stay connected and entertained on the go. Its compact design and compatibility with all 3.5mm jack headphones make it a versatile addition to any audio setup.