UPDATE: Downgraded from 2 to 1 star. Worn for a little over 2 months - no longer works. Died at 70% charge. It turned out to be a waste of money. I don't know how it can have such high ratings and no ratings for the app itself. My kid loves it but complains that it's not waterproof. No, we haven't broken it yet, but put it in water, but we've read the fine print about what "they're waterproof" means - splash proof, shower possible. My kid is on the swim team and would love to keep wearing him (obviously I need to invest in something more serious if we want to track his swim and not just his steps). But when I bought this, based on the title, I thought it was just what we needed. In terms of sleep, my child goes to bed between 8:30 and 9:30, and by falling asleep I mean reading books, turning off the lights, and actually sleeping. If you check his sleep on the app, he says he slept around 11pm, which never happens. This is in about 2 hours. So if he can't even know when he fell asleep, I don't really trust actual sleep records. In terms of overall accuracy, my child says he counts quite a few steps while riding the school bus. I can't speak for actual accuracy as I didn't walk side by side with him to verify it.
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