When the Ultimate Ears Wonderboom 3 Won’t Turn OFF, this likely means oneor more things as follows. Ultimate Ears Wonderboom 3 Won’t Turn OFF: Causes and Fixes Try to forcibly restart the 3. Do this by pressing the Volume Up and DOWN and Pairing buttons, all at the same time. Hold for two seconds then … Continue reading Ultimate Ears Wonderboom 3 Won’t Turn OFF