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Step 1. Charge your LungPass Pro stethoscope
Before using LungPass Pro for the rst
time, please charge the stethoscope
for at least 30 minutes:
1. Connect the micro-USB cable
provided in the box to the stetho-
scope’s micro-USB port (3).
2. Connect the micro-USB cable to a
USB power source.
The stethoscope will start charging automat-
ically. A blinking yellow LED (1) will turn on,
indicating that the device is charging.
4. The LED light will change to glowing green
once the stethoscope is fully charged.
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