2. Bluetooth is enabled on your device.
3. You have selected “treVolo U” in the Bluetooth device list on your
device and the connection has been confirmed by your device.
4. Your Bluetooth device may be too far away from the speaker,
try moving the device closer to the speaker.
5. You do not move your speaker closer to any nearby device(s)
that may cause electro-magnetic interference.
6. You turn off all other adjacent Bluetooth devices or disable their
Bluetooth functionality if possible.
7. The device supports the A2DP profile.
8. Unplug all cables and cords.
Then press and hold the power button for 10 seconds or more to
force the speaker to shut down. Turn on the speaker on and pair with
your device.