3 Review(s)

Feature:1. A Battery life indicator Can predict the product working time at any time.2. In the absence of signals, the product would power-off automatically after 8 seconds.3. Small, light in weight, and convenient to carry.4. LED Display Modes: clear and easy to read.Product parameters:1. Display Type: OLED display2. SpO2: Measurement range: 70%?99%Accuracy: ±2% on the stage of 80%?99%; ±3% on the stage of 70?79%; Below 70% no requirement3. PR: Measurement range: 30BPM?240BPM,Accuracy: ±1BPM or ±1%?the larger one?4. Power: two AAA 1.5V batteries5. Power consumption: below 30mA6. Automatic power-off: The product power off by itself when no finger is in the product for ?8 seconds.Please read the manual carefully before using the product.