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