Covers the details of Ultimate Ears Wonderboom 1 Speaker battery life. Describes how to know if the battery life is shortening over time, and what the amount of life left per recharge is. Ultimate Ears Wonderboom 1 Speaker Battery Life: Step by Step Monitoring 1. First, Turn ON the Ultimate Ears Wonderboom 1 Speaker You … Continue reading Ultimate Ears Wonderboom 1 Speaker Battery Life