Product information:
Color: Black No. 7, black No. 8, No. Black 9, black No. 10, No. Black 11, black No. 12, Gold No. 7, Gold No. 8, Gold No. 9, Gold No. 10, Gold No. 11, Gold No. 12, silver No. 7, silver No. 8, silver No. 9, silver no.10, silver no.11, silver no.12
Battery capacity: 15 ma
Additional functions: heart rate, blood oxygen, blood pressure, heart rate variability, sleep monitoring and tracking, sleep body temperature, sleep analysis, emotion management
Wearing method: finger wearing