Here’s our answer to the question: How Do I Know When My Logitech Wonderboom Is Fully Charged? Charging is easy through the sealed micro USB DC in port on the rear bottom of the speaker. First, pick a high current USB AC adapter. Why? Because you do not get this with the Logitech Wonderboom. But … Continue reading How Do I Know When My Logitech Wonderboom Is Fully Charged