Technical Specification
| SpO2 | Measurement range: 70%~100% |
| Accuracy: 80%~100%: ±2%(Including 80%); | |
| 70%~79%: ±3%; Below 70%no requirement; | |
| Resolution: 1% | |
| PR | Measurement range: 30BPM~254BPM |
| Accuracy: ≤100BPM, ±1BPM; >100BPM, ±2BPM | |
| PI | Measurement range: 0%~20%(optional) |
| HRV | Measurement range: 0~999(optional) |
| Power | two AAA 1.5V batteries |
| Product dimension | 61*34*30mm |
| Product weight | about 30g(without battery) |
| Package dimension | 90*60*37mm |
| Package weight | about 73.5g |