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• The full protective function of a helmet can no longer be guaranteed after an accident or impact. Like the crumple
zone of a car, the impact energy of a collision is absorbed by complete or partial destruction of the structure of the
outer and/or inner shell of the helmet. Because of the way helmets are designed, this damage is rarely visible from
the outside. The safety helmet is designed to absorb only one impact. It is therefore essential to replace the helmet
after a fall, accident or other violent impact. For safety reasons, the old helmet should be rendered unusable.
• The helmet safety mechanism described above can also cause small cracks in the shell when the helmet is dropped
from a small height (less than 1 meter).
• Any helmet that has been subjected to a violent impact should be replaced.
• No helmet provides absolute protection from all conceivable impacts. This helmet has been specially developed for
motorcycle riding and is unsuitable for other purposes.
• Examine the helmet for damage at regular intervals. Small scratches will not impair the protective function of your
helmet.
• In some regions, it is prohibited by law to ride motorcycles while wearing headsets. Therefore be
certain to comply with all relevant laws in the region before using the product.
• Use of the product at a high volume for a long period of time may damage your eardrums or hearing ability. Keep
the volume at a modest level to prevent damage.
• Do not cause impact to the product or touch it with sharp tools as this may damage the product.
• Do not use the product in high-temperatures or apply heat to the product as this may cause damage, explosion, or
fire.
• Keep product away from pets or small children. It may damage the product.
• In any place where wireless communication is prohibited, such as hospitals or airplanes, turn off the power and
refrain from using the product. In a place where wireless communication is prohibited, electromagnetic waves may
cause hazards or accidents.
• Do not use the product near hazardous explosives. When it is near any explosion hazards, turn off the power and
heed any regulations, instructions, and signs in the area.
Battery
This product has an irreplaceable rechargeable battery inside. Therefore, when using the product, make sure to
adhere to the following:
• Never separate the battery from the product as this may damage the product.
• The battery performance may be reduced over time with usage.
• In recharging the battery, make sure to use an approved charger provided by the manufacturer. Use of a non-
approved charger may cause fire, explosion, leakage, and other hazards may also reduce the life time or
performance of the battery.
• Any 3rd party USB charger can be used with Sena products if the charger is approved by either the FCC, CE, IC or
other locally approved agencies that Sena accepts.
• Store the battery at temperatures of 15°C~25°C (59°F~77°F). Higher or lower temperatures may
reduce the capacity and life of the battery, or may cause temporary non-operation. Do not use the
product in sub-zero temperature, because it may cause serious reduction of the battery performance.
• If you apply heat to the battery or throw it into a fire, it may explode.
• Do not use the product with a damaged battery. It may explode and/ or cause accidents.
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