1. Material: ABS
2. Pulse rate display range: 25-250BPM
3. Monitoring range of blood oxygen saturation: 0-100%
4. Power requirements: 2 AAA batteries (not included)
5. Built-in silicone film, comfortable to wear
6. Fast reading in 8 seconds, easy detection
7. Four-way display, numbers can be seen in any direction
8. Automatic shutdown after 8 seconds of no use, energy saving and power saving, long-lasting standby
9. Dimensions: 57.2x31.5x32.5 mm
10. Weight: about 25 grams
