Upgraded Spirometer with Risk Indicator and 300 Record Storage, Portable Max Flow Meter with Bluetooth Tracking and Testing App, PEF and FEV1, EPOC Asthma Monitor

Q: Why do the test values vary significantly?

Usage methods and physical conditions can affect the results. Airflow blockage may cause PEF deviations.

Q: How to avoid noticeable deviation test value among each tests?

1. Stand or sit upright before testing.

Q: Why can't I connect to Bluetooth?

1. Please keep the peak flow meter device powered on

Q: Why this peak flow meter can not charge or charged but still can not use ?

Please confirm you use a 5Vpower adapter for charging.

4.2/5

ID del producto: 740660330

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Upgrade Spirometer with Risk Indicator & 300 Records Storage, Portable Peak Flow Meter with Tracking App and Bluetooth Tests PEF & FEV1, Asthma COPD & Other Lung Conditions Monitor for Kids Adults

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Upgraded Spirometer with Risk Indicator and 300 Record Storage, Portable Max Flow Meter with Bluetooth Tracking and Testing App, PEF and FEV1, EPOC Asthma Monitor