After my second use, the cord detached from the plastic knob.

The process was super easy and the fit is perfect!

These earplugs are an essential investment if you are serious about live music and hearing preservation. I added the chord to my earplug order and it was a great purchase because it has saved them from getting lost or getting dirty by falling on the floor. I also like how the left/right color was enhanced and much easier to see by incorporating them into the chord attachment. The product keeps getting better with each iteration!

Quality product and quick turnaround time from taking ear molds to getting the plugs in the mail. Fit like a glove.

I work in the brewing industry which means there is constant droning of pumps and other noises all day long. The pro 17s have been great for this environment. I can still hear music, necessary machinery, and voices. I have had them for a few weeks and have worn them 10-12 hours a day since then. Though they do get sweaty like any earplug, they are simple to wipe off and put right back in. I highly recommend them.