Starting Operation
Press and hold the power button for at least 2 seconds to turn the product on.
• The product adjusts the inhaling intensity according to the user's breathing.
• To turn the product off, press and hold the power button for at least 2 seconds.
• The product beeps once when it is turned off or on.
NOTE
• If you do not wear the product, it turns off automatically after 5 minutes to
reduce battery consumption.
• In case of rapid pressure changes within a short time, such as taking an
elevator, the inhaling intensity may not automatically adjust according to the
user's breathing.
Using the Voice Unit
To use the voice unit, press the power button while the product is turned on.
• Use the voice unit to make sure others can hear you clearly through the product.
• To turn off the voice unit, press the power button.
• The product beeps twice when the voice unit is turned on and beeps three times
when the voice unit is turned off.
NOTE
• If the product is turned off while the voice unit is in use, the voice unit is turned
off as well.
• The voice unit is turned off when the product is restarted. Press the power
button once to use the voice unit.
• To avoid audio feedback, ensure that the voice unit is turned off before replac-
ing or maintaining the components or taking off the product.
Power button
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