YERSIDA R11M Health Smart Ring Sleep Monitoring IP68 Waterproof Heart Rate Blood Oxygen Monitor Sport Mode Epoxy Resin Material

Description:

-Waterproof Level：IP68

-Charging time：around 1-2 hours

-Charging Method：Magnetic Charging

-Color : Black, Gold

-Basic functions: steps, kilometers, calories, exercise data recording

-Main functions: heart rate measurement, blood oxygen measurement, sleep health monitoring, intelligent  photography, and adding friends

-Multiple sports modes: running, cycling, skipping rope, brisk walking, mountaineering, yoga, golf, dance

Other smart rings

 * Manual measurement with an error of 1 to 2mm