
I paid full price for this and am not a "sponsor" or anything like that review . They fit snugly into the charging port and won't fall out. I was hesitant to order because a review I read said they seemed to "disappear", but I don't see that as a problem. I've had one in my vivoactive 4 for a few days and during activities like swimming and rowing. Doesn't cause any discomfort to my wrist and stays in place. The material is soft, like a watch strap. They are easy to install, fit well but are also easy to remove. As one reviewer said,

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