How do I know if my Bluetooth is working

Follow these instructions→Pair a third-party Bluetooth accessory with your iPhone, iPad, or iPod touch - Apple Support

If that doesn’t resolve the issue see→If you can't connect a Bluetooth accessory to your iPhone, iPad, or iPod touch - Apple Support

Happyjbjb Said:

"How do I know if my Bluetooth is working: My buletooth is not pairing with home boom box"

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Syncing a Bluetooth Device:

Is there a sync button? Many devices have a little sync button on them to make the device sync with your device (iPhone). You'd likely have to hold it down, while trying to sync with it.