1. Small in volume, light in weight, and convenient to carry
2. OLED display, simultaneous display for testing value and bargraph
3. Accurate measurement of blood oxygen value, pulse rate value
4. Can be used for oxygen bar, community health care, sports health and outdoor activities. this product is not recommended in the course of exercise and strong light use, not suitable for continuous use as a patient care
5. Blood oxygen range: 0 ~ 100% (resolution +/-2%)
6. Pulse rate range: 0-250bpm (resolution +/-1bpm)
7. Powered by 2 x AAA baterries (not included)
8. Working current: =<50mA
9. Size: 6cm x 3cm x 3cm
