Smart ring in steel and black ceramic smarty2.0 swr001, multifunction vital parameters

Multifunctional black ceramic and steel ring, 9mm thick, 3mm high.

Functions:

. heart rate detection every 30 minutes,

. sleep tracking (sleep time and quality),

. stress detection,

. body temperature detection every 5 minutes,

. multiple sports modes,

. blood pressure test,

. blood oxygen test,

. step and calorie counting,

. physiological cycle reminder ovulation.

Comes with box and warranty