K²

Description

• Non-invasive and painless test that measures your oxygen saturation level, or the oxygen levels in your blood.
• It can rapidly detect even small changes in how efficiently oxygen is being carried to the extremities furthest from the heart.
• Oxygen saturation (SpO2), pulse, PI blood perfusion index, pulse width height indicator bar, pulse waveform, sleep data recording, data
  analysis, battery remaining capacity warning, automatic shutdown, etc.