Smart Ring Heart Rate Blood Oxygen Health Sleep Monitoring

Product Details：
Battery capacity: 50mA
Appearance dimensions: # 8, # 9, # 10, # 12
Wearing method: Finger wearing

Additional features: heart rate, blood oxygen, heart rate variability, sleep monitoring and tracking, sleep temperature, sleep analysis

Compatible platform: fully compatible

Product Details：
Ring+charging cable+manual+exquisite packaging * 1 set