Covers how to check Ultimate Ears Wonderboom 1 battery, and also, how to know if the battery life is shortening over time. How to Check Ultimate Ears Wonderboom 1 Battery: Step by Step 1. First, Turn ON the Ultimate Ears Wonderboom 1 You won’t be able to read battery charge status unless the speaker is … Continue reading How to Check Ultimate Ears Wonderboom 1 Battery