With the Bluetooth 5.4 audio receiver, you can breathe new life into your older devices that lack Bluetooth capabilities. Simply connect the receiver to your stereo system, car radio, or headphones via a 3.5 mm jack. Now you can 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. This way, you can keep your hands on the wheel and make safe calls. Google Assistant and Siri are also at your disposal. Simply give a command and your music will be played, a message sent, or your navigation system started.