EN
(IT-49). ISOtunes® devices with SafeMax™
Technology are OSHA and ANSI compliant and,
when designated, meet the European Safety
Standard EN352.
Cleaning and Maintenance
• Clean your ISOtunes LINK 2.0 by gently wiping
them with a clean, damp cloth with mild soap.
• Do not immerse the hearing protector in water.
• Do not use abrasive cleaning solvents to clean
the hearing protector.
If the hearing protector gets wet from sweat or
rain, please discontinue use and turn the earmuff
outwards and allow to dry.
The ear cushions and foam liners should be
regularly inspected for deterioration, cracking, or
other damage.
Materials:
• Ear Cushion: PU + Memory Foam
• Casing: ABS
• Key Pad: Silicon
• Headband: Stainless Steel + TPE
• Headband Bracket: ABS
This product comes with a Lithium Battery Pack.
The Battery Pack can be recharged by plugging
the one end of the included cable into a USB outlet
and the other end into the product's charging
port located underneath the rubber cover on the
bottom of the left earcup.
The batteries can be checked by removing the
battery cover. Slide the latch to release the door.
The lithium battery pack can be removed from
the product and replaced. Lift the battery out.
Unplug the battery pack cable. To reinstall, put
the battery pack into the compartment and plug in
the Battery pack cable into the battery pack port.
Ensure the battery pack cable is plugged into
the battery pack cable port for proper product
performance.
Alternatively, three AAA batteries can power the
device. Completely remove the Lithium Battery
Pack from the product and install the AAA
batteries as indicated on the product. Do not
attempt to use the Lithium Battery Pack and AAA
batteries at the same time.
6
WARNINGS
Performance may deteriorate with battery use.
The typical period of continuous use that can be
expected from earmuff battery is 50 hours.
ISOtunes® LINK 2.0 does an excellent job of
blocking outside noise. As such, ISOtunes®
LINK 2.0 should NOT be used in environments
where users need to be fully aware of their
surroundings for personal safety reasons. For
example, do NOT use them while driving a car or
riding a motorcycle. Similarly, do NOT use them
when riding a bicycle outside. The user is solely
responsible for ensuring that ISOtunes® LINK 2.0
is used ONLY in safe environments.
The output of the electrical audio circuit of this
hearing protector may exceed the daily limit
sound level.
The audibility of warning signals at a specific
workplace may be impaired while using the
entertainment facility.
This product may be adversely affected by certain
chemical substances. Further information may be
sought from the manufacturer.
The fitting of hygiene covers to the cushions may
affect the acoustic performance of the
earmuffs.
Noise reduction will be adversely affected by
anything that impairs the seal of the earmuff
cushions against the head, such as thick spectacle
frames, balaclavas, etc. Cushions may
deteriorate with use and should be renewed
regularly.
The output of the electrical audio circuit of this
hearing protector may exceed the daily limit
sound level.
These earmuffs are intended to protect your ears
against hazardous noise. The audibility of warning
signals at a specific workplace may be impaired
while using the entertainment facility.
Recommendations
The wearer should ensure the product is properly
cleaned and dry before and after use. Storage
should be in a clean and dry location between
-20 °C and 50 °C. The battery should not be fully
discharged before long term storage.