Resolve UE Wonderboom 3 Charging Problems In No Time. One of the issues that you might experience with Ultimate Ears Wonderboom Bluetooth speakers is when it won't charge. This can be an.. CHARGE. To charge your WONDERBOOM 3, plug a micro-USB cable into the micro-USB port located inside the weather door. A wet or contaminated micro-USB connector may cause excessive heat or melting and may lead to fire damage or personal injury. Always charge your speaker with a clean, dry micro-USB connector.
You can also check the battery life of your speaker on the go by powering it on, and pressing the + and - buttons at the front of the speaker at the same time; 3 tones will indicate the speaker is fully charged, 2 tones means it's about halfway, and a descending tone means you should charge your speaker.. How long does Boom 3 take to charge? Boom 3: 2.75 hours. Can you overcharge a Bluetooth speaker? No, the device will interrupt the charging circuit once the charger and battery reach equilibrium. However, if you leave the speaker plugged in to charge continuously, the battery will transfer from float (not charging) to charge as soon as the.