Tec.bean Large OLED Screen Fingertip Pulse Oximeter

  NEWLY UPGRADED & FDA APPROVED - Accurate and reliable in professional tests, measures quickly to show pulse rate and SpO2 blood oxygen saturation of arterial hemoglobin levels. NEW ALARM FEATURES - Auditory Beeps for every detected pulse; auditory alarm to warn you when your SpO2 and pulse rate are beyond set limits. You can set the limit by yourself. BRIGHT & COMPACT - Bright double color OLED display shows you the data any time you need. Lightweight, easy to carry & accommodates a wide range of finger sizes. EASY-TO-USE - The display can be adjusted to face 4 different directions and the 6 display modes show real-time pulse rate, pulse rate bar, and SpO2 level. ACCURATE AND RELIABLE - Accurately monitors SpO2 and pulse rate while on the move, suitable for mountain climbers, skiers, bikers, aviators, or anyone interested in measuring their SpO2 level. Why Choose TEC.BEAN Updated Pulse Oximeter? Accurate and Reliable - FDA and CE Standard: SpO2 Range: 70% - 99%； Resoluti