With the Bluetooth 5.4 audio receiver, you can breathe new life into your older devices that lack Bluetooth capability. Simply connect the receiver to your stereo system, car radio, or headphones using the 3.5 mm audio jack. You can then enjoy your favorite music wirelessly from your smartphone or tablet. Connect it to your smartphone and use it as a hands-free device for your calls, allowing you to keep your hands on the wheel and talk safely. Voice assistants like Google Assistant and Siri are also at your disposal. Just give a command, and your music will play, a message will be sent, or your navigation system will be activated.