Bluetooth AUX Receiver for Your Vehicle Transform your old car audio system, home sound system, wired headphones, or speakers into a wireless experience with our Bluetooth 3.5 mm AUX receiver. Compatible with most Bluetooth-enabled devices, including smartphones, tablets, laptops, and computers. Key Features: - Hands-Free Calling and Wireless Music Enjoyment: Connect seamlessly to Bluetooth devices and use the built-in microphone for hands-free calls. Control calls with a single button for answering, rejecting, ending, and redialing. Easily adjust volume and music playback with the MFB and volume buttons. - Bluetooth 5.0 and Dual Connection: Equipped with Bluetooth 5.3 for a stable connection, this receiver can connect to two devices simultaneously. Enjoy music without missing any calls, with a Bluetooth range of up to 33 feet. Automatically reconnects to the last connected device for convenience. - Fast Charging and Long Battery Life: One-button activation and pairing make it user-friendly. The built-in battery offers up to 16 hours of playtime on a full charge and supports fast charging, reaching full capacity in just 2 hours. - Portable and Convenient Design: Weighing only 0.5 oz and compact in size, this Bluetooth audio receiver is easy to carry. It is an excellent companion for drivers and can be used in various settings, such as during road trips, at home, or while exercising. Practical Applications: 1. Car Use: Stream music from your smartphone to your car's audio system while enjoying hands-free calls. 2. Home Audio: Connect to your wired speakers for wireless streaming of your favorite playlists. 3. Exercise: Use with wired headphones during workouts for a wireless experience. If you encounter any issues while using the device, please reach out for assistance. We are here to help.