Possibly this stress meter works by combining heart rate with blood saturation, but it remains to be determined.

Xiaomi has confirmed that the Mi Band 5 will be unveiled on June 11th.

Xiaomi Mi Band 5 new image

Xiaomi Mi Band 5 new image

Xiaomi Mi Band 5 new image

Xiaomi Mi Band 5 new image

Asus VivoWatch 6 Aero

Vivo Watch 5

Oppo Watch X2 Mini