You charge this Bluetooth speaker via the covered micro USB charging port. And to get the quickest UE Megaboom 3 charge time, use a medium to high current USB adapter. Also, exercise the battery, and do not leave the speaker on the charger once it has fully recharged. UE Megaboom 3 Speaker Charge Time: How … Continue reading UE Megaboom 3 Charge Time for Full Recharge