Sleep Detection Steps Heart Rate Blood Pressure Blood Oxygen Saturation Magnetic Charging Ring

Product information:
Color: Color change 8mm, color change 9mm, color change 10mm, color change 11mm, rose gold 8mm, rose gold 9mm, rose gold 10mm, rose gold 11mm
Battery capacity: 17mAh
Color: tarnish, rose gold
Main functions: steps, distance, calorie calculation, heart rate, blood oxygen saturation, blood pressure, sleep tracking