Xiaomi mi band 4 waterproof test - water test
Xiaomi mi band 4 waterproof test .
i spent with itr a whole day in the pool .
Xiaomi mi band 4 water test
Link to buy a metal starp strap:
http://s.click.aliexpress.com/e/NXRs5CJI
Link to buy the Xiaomi mi band 4:
http://s.click.aliexpress.com/e/ePYwgqPW
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