Portable SP80B Spirometer - USB Bluetooth Enabled Lung Capacity Monitor

◆ The data can be transmitted by Bluetooth or USB cable. ◆ One USB cable. ◆ Working current: 200 mA. ◆ The personnel information (including height, age, sex, etc.) can be set. ◆ One User Manual. ◆ Indicate expiration within 6 seconds by indicators.

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