The Sanorum Smartwatch doesn't just cost less than $100 — its list price is half that, and the device can be found discounted for just $30, if not less, making it one of the cheapest fitness ...

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【24/7 Health Fitness Tracker】The fitness watch can measure your heart rate, blood oxygen in real time for 24 hours . Accurately track sleep status including: deep sleep/light sleep/awake and ...