It is sturdy, waterproof and relatively quiet while you drive with it on the roof. Im always misplacing one or the other of my earbuds when Im using them in the yard. Just the "form" makes the bone conduction end dig into the cheek a bit and over extended periods can be a bit annoying to outright discomfort. If there was a zipper or buttons it wouldven much more convenient but it is still great as it is. One of the the tightening screws did not fit through the hole so it was impossible to fully tighten, leaving a wobbly set-up. Our mountain bikes with 2 and 2. Switching connections between the transducers suggest they are fine. Completely unacceptable! This plastic is pathetically CHEEP! It fits in my shelf.