Why does my billboard Bluetooth device beep when I'm listening to music?

<span><span>Connecting a Bluetooth headset or car kit</span> <span> You can listen to music over a Bluetooth stereo headset, or have hands-free conversations using a compatible Bluetooth headset or car kit. It's the same procedure to set up stereo audio and hands-free. <ul> <li>For you to listen to music with your headset or car kit, the headset or car kit must support the A2DP Bluetooth profile. </li> <li>Before you connect your headset, you need to make it discoverable so your phone can find it. You can find out how to do this by referring to your headset manual. </li></ul> <ol> <li> <span>From the Home screen, press <span>MENU</span>, and then tap <span><span>Settings</span> &gt; <span>Wireless & networks</span></span>. </span> </li> <li> <span>Tap <span>Bluetooth settings</span>. </span> </li> <li> <span>If the <span>Bluetooth</span> check box is not selected, select it to turn Bluetooth on. </span> </li> <li> <span>Make sure that the headset is discoverable. </span> </li> <li> <span>Tap <span>Scan for devices</span>. </span> Your phone will start to scan for Bluetooth devices within range. </li> <li> <span>When you see the name of your headset displayed in the <span>Bluetooth devices </span>section, tap the name. </span> Your phone then automatically tries to pair with the headset. </li> <li> <span>If automatic pairing fails, enter the passcode supplied with your headset. </span> </li></ol> The pairing and connection status is displayed below the hands-free headset or car kit name in the <span>Bluetooth devices</span> section. When the Bluetooth headset or car kit is connected to your phone, the Bluetooth connected icon is displayed in the status bar. Depending on the type of headset or car kit you have connected, you can then start using the headset or car kit to listen to music and/or make and receive phone calls. </span></span>