I-Mobi Mobile Store - Huawei Band 4 supports single-time SpO2 level measuring,helping you detect the level of oxygen in the blood whenever and wherever you need. Huawei Band 4 | $49 . .
Huawei Band 6 All-Day SpO2 Monitoring with FullView Display- Black (6 Month Warranty) - Extreme Gadgets
WORR NEW Huawei Band 4 SmartBand Heart Rate GPS SpO2 Blood Oxygen Smartwatches | Walmart Canada
Huawei Band 4 receiving SpO2 feature update as well as other improvements - Huawei Central