Most Bluetooth speakers, including the Ultimate Ears Wonderboom 2, offer truly portable operation via their lithium ion batteries inside. And when said battery dies, you can recharge with an AC or car adapter. Sometimes though, you may find that the Ultimate Ears Wonderboom 2 won’t turn ON or charge. To solve that, we’re here to … Continue reading Ultimate Ears Wonderboom 2 Won’t Turn ON or Charge