PROTECT YOUR HEARING Earplugs are essential or hearing protection. Typical earplugs protect yor earing, yes, but they can be a hassle. Sometimes you need to hear and they block too much, so you have to take them out. They're small and easily lost....After the X-Pro is comfortably settled in your ear, you can act ivate the hearing protection with the push of a button. The closed valve will now protect your hearing by gliving you 30dB of noise reduct ion with the foam tips (24 dB noise reduction with silicon tips).When you need to hear again, instead of completely removing the earp lugs, simply ..