Operation of the Disrupter earbuds is done through the Walker’s Link 4.0 app. With this app, users can quickly change between the five programmed sound settings, adjust volume, monitor battery levels, and adjust the auto shut-off time via their mobile device or smartwatch. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.