I've dropped it, stepped on it, laundered it, put it in the dryer, etc. etc. The thing still works. I'm amazed and impressed. (I've also lost it twice...once for over a month and a half. This thing is resilient.)Putting it on quickly enough to answer a call can be tricky, but walking around with it on all day evokes stares from both IT techies and soccer moms alike. Sound quality is solid.I use mine with a BlackBerry 7290, and I love it.