I accidently dunked my Band in the hot tub!!! AND IT SURVIVED. ut was only in there for about 2 seconds, but it's good to know it's that water resistant. Just thought I'd let you guys/girls know.
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Microsoft Band meets these standards for dust- and water-resistance:
?IP6X: No ingress of dust. Complete protection against entry of dust. ?IPX7: Protection against temporary immersion in water (at depth of 1 meter for 30 minutes).
?IP67: Means it meets both the dust- and water-resistance standards above.