Enjoy wireless streaming of music: This Bluetooth receiver for car adds Bluetooth functionality to non-Bluetooth devices via a 3.5mm AUX cable, such as non-Bluetooth car audio systems, home stereos, and wired headsets. Simply pair with your phone to enjoy high-quality music. Music and calls: This car Bluetooth adapter features a professional HD audio decoder chip that delivers high-quality audio transmission for music playback. Hands-free calling and navigation support: Built-in microphone enables hands-free calling. The multifunction button (MFB) allows you to answer, end, reject, or redial calls. The Bluetooth adapter also supports voice prompts from navigation apps, helping you keep your eyes on the road while driving. Bluetooth 5.0 and dual connection: Equipped with an upgraded Bluetooth 5.0 chip for stable connectivity and fast data transmission. Compatible with most Bluetooth-enabled devices including iPhone, Android smartphones, iPad, and laptops. Supports simultaneous connection to two Bluetooth devices. Easily switch between audio sources by pausing one device and playing the other. Long battery life and Type-C charging: Provides up to 16 hours of continuous playback on a full charge under normal usage. Includes a Type-C fast charging cable for a full charge in approximately 2.5 hours. The device can be used while charging. Note: The indicator light turns off when charging is complete.