Of course, it fits the general shape of the watch, but it fits completely. Also, the clasp is plastic and at the time of writing (a month and a week after purchase) 2 out of 5 are broken. Looks like they're going out soon. (Now I see that the name says MiBand 3/4, not 5. I must have overlooked it when I bought it. So that explains the fit of the strap, but not the clasp.)
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