Product information:
Color: gold (17#),Gold (20#),silver (17#),silver (20#)
Battery capacity: 20 mA
Additional functions: heart rate, blood oxygen, blood pressure, heart rate variability, sleep monitoring tracking, sleep body temperature, sleep analysis, emotional management
Wearing method: finger wearing
Packing List: ring charging warehouse charging cable manual exquisite packaging

Size:

Ring+charging compartment+charging cable+manual+exquisite