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This smart ring can monitor heart rate, sleep, blood oxygen levels, and exercise activity. It uses wireless Bluetooth connectivity, making it very convenient. It's a fantastic gift, whether for yourself or for family and friends.
Waterproof: The fully sealed design and manufacturing process achieve an IP67 waterproof rating, easily meeting the waterproof needs of various daily scenarios.
How to measure your ring size:
1. Wrap a strip of paper around the finger on which you will wear the ring.
2. Mark the point where the paper strip overlaps with a pen.
3. Lay the paper strip flat and measure the length with a ruler. This measurement is the circumference of the ring you need to buy.
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