The Mijia Dictionary Pen C1 sports a 3.02-inch high-definition screen for easy reading and navigation. It supports bilingual content aligned with school curricula from grades 1 through 9 ...

Oxygen saturation, or "O2 sat" for short, is a measure of how much oxygen is in your blood. For most healthy adults and children, a normal oxygen saturation level is between 95% and 100%. Hypoxemia ...