1. One-button simple operation, about 8 seconds to measure the result
2. CPU motherboard, SOC chip, upgraded algorithm, more accurate measurement
3. Display mode: TFT/OLED/LED optional
4. Blood oxygen saturation display: 70-99%, +/-2%
5. Pulse rate display: 25-250BPM, +/-1% or +/-1 BPM
6. Power consumption: less than or equal to 40 mA
7. Power mode: 2 AAA batteries (not included)
8. Dimensions: 75 x 50 x 35mm
9. Weight: about 38 grams
