1. Display Type: TFT Display

2. Blood Oxygen Saturation: Measurement Range: 70%～99%

Precision80%～99%：±2%；70%～79%：±3%

Pulse Rate: Measurement Range: 30 BPM to 240 BPM

Precision+1 BPM or +1%

4 Power Supply: Type-C interface, built-in 3.7V/200mA rechargeable lithium battery;

Power consumption: less than 30mA;

6. Auto Power Off: The product will automatically turn off after 28 seconds when the finger is not on the product.

7. Operating Environment: Temperature: 5°C to 40°C

Humidity:15%～80%

atmospheric pressure:70kPa～106kPa；

Transportation and Storage Environment: Temperature:-10℃～40℃

Humidity: 95%

atmospheric pressure50kPa～106kPa

Non-corrosive, in a well-ventilated gas-free environment.

8、Box Specification: 40*28*31cm/200pcs/8.2kg