Cannot hear Bluetooth music
Your Bluetooth mobile device is not paired with this unit. Re-pair this unit to the mobile device.
This unit is Wi-Fi mode etc. Pair and connect Bluetooth device to this unit.
The Bluetooth mobile device is connected to another audio device. Make sure your Bluetooth device is connected to this unit.
The volume on your Bluetooth mobile device or your speaker is set too low. Check the volume on the Bluetooth mobile device. Check the volume on this unit.