Product information:

Color: black, white

Applicable people: general

Battery capacity: 50 mA

Additional functions: heart rate, blood oxygen, blood pressure, heart rate variability, sleep monitoring tracking, sleep body temperature, sleep analysis

Wearing method: finger wearing

Packing List: ring charging warehouse charging cable manual exquisite packaging

Size: Size 16: Internal strength 15.4mm

No.18: Inner strength 17.8mm

No.20: Inner strength 19.8mm

Packing list:

Ring charging warehouse charging cable manual exquisite packaging

Product Image: