I've had two pair of motorolas and they have worked great for me, as long as you don't drop one of them off a cliff.
My only complaint with them is that the rechargeable battery that comes with it is pretty much useless after a years use, just won't hold a charge for a whole day after that. I switched to just using 4 triple A's and they last for a long time.
Definitely nice to have for a day out on the slopes, especially when you have a group with varying skill levels and can't all do the same runs together.
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