Now these earplugs function as normal earplugs, but at the same time they act as wireless headphones too so users can connect them to their smartphones and be notified of alerts, incoming calls, or just use them to playback ambient sounds. The Hush earplugs also comes with an accompanying app that has an alarm feature that will notify the wearer instead of blasting through the phone’s speakers, thus waking up other people in the process.