Planet Waves dBud Universal Fit Volume Adjustable EarplugsConvenient, Switchable Hearing Protection Ever rock out too hard and end up with that ringing in your ears? That's a good sign you've done real harm to your ears. Keep it up, and you'll end up with serious hearing loss. Or you can pop in a pair of these EarLabs dBuds and protect your hearing. No batteries, no charging, just simple passive hearing protection that really works. What we really love about dBuds is that you can easily flip them from 24dB