Bluetooth Digital Spirometer

PRODUCT DESCRIPTION

• Flow-volume chart, volume-time chart display.
• The data can be stored, deleted, uploaded and reviewed.
• Trend chart display.
• Health state indication.
• Calibration function.
• Over – limit prompt function for volume and flow.
• Indicate expiration within 6 seconds by indicators.
• Start measuring by one-button.
• The data can be transmitted by Bluetooth or USB cable.
• Real-time clock can be set and displayed.
• Battery power indication.
• Automatic shutdown when there is no operation within two minutes.