I bought these for my kids Garmin Vivofit Jr - one is too small for the strap that comes with it and the other one is too big for the strap - so these adjustable ones work well for that purpose. BUT they are both so upset that the silver design is already worn out. You wear them less than a month. This is not the quality I would recommend. It's basically a waste of money because unfortunately I'm buying something else now.
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