Low Price Portable Hand-held Spirometer with Bluetooth
Features:
1. Exquisite, compact design.
2. Small volume, light weight, convenient to carry and use
3. Low power consumption, large capacity battery, recharge-able lithium, battery, automatic power offdesign.
4. Large and high resolution TFT LCD display.
5. Accuracy and reliability guaranteed
6. More than 200 test cases storage.
7. USB and Bluetooth connection
8. Parameters:FVC, FEV1, PEF, FEV1/FVC, FEF25, FEF50, FEF75, FEF2575
9. Flow rate-volume chart
10. Volume-time chart
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