Owner's Manual

Operation
Operate the earplugs after inserting into the ears.
ON/OFF
To turn the earplugs ON and OFF, press and hold the
switch for at least 2 seconds. When turning on, the
earplugs will play an ascending series of three tones;
when turning off, a descending series will be played.
When initially turned ON, the device will be set to the
LO operation mode .
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