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

产品编号: 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

THE BREATHER │ Natural Breathing Exerciser Trainer For Drug-Free Respiratory Therapy │ Breathe Easier with Stronger Lungs │ Guided Mobile Training App Included

描述

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