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2 | M2 IEBT
Important safety instructions
Important safety instructions
X Read this instruction manual carefully and completely before using the
product.
X Always include this instruction manual when passing the product on to third
parties.
X Do not use an obviously defective product.
X Only use the product in environments where Bluetooth® wireless transmission
is permitted.
Preventing damage to health and accidents
X
Protect your hearing from high volume levels. Permanent hearing
damage may occur when headphones are used at high volume levels
for long periods of time. Sennheiser headphones sound exceptionally good at
low and medium volume levels.
X Do not insert the ear canal phones too deep into your ears and never insert
them without ear adapters. Always extract the ear canal phones from your
ears very slowly and carefully.
X Keep the headphones at least 10 cm/3.94” from cardiac pacemakers or
implanted defibrillators. The headphones contain magnets that generate a
magnetic field which could cause interference with cardiac pacemakers and
implanted defibrillators.
X Keep the product, accessories and packaging parts out of reach of children
and pets to prevent accidents and choking hazards.
X Do not use the product in situations which require special attention (e.g. in
traffic or when performing skilled jobs).
Preventing damage to the product and malfunctions
X
Always keep the product dry and do not expose it to extreme temperatures
to avoid corrosion or deformation. The normal operating temperature is from
10 to 40°C/50 to 104°F.
X Only use attachments/accessories/spare parts supplied or recommended by
Sennheiser.
X Clean the product only with a soft, dry cloth.
X Use the product with care and store it in a clean, dust-free environment.
Caring for leather parts
X
Gently wipe leather parts periodically with a clean, soft cloth dampened with
water.
X Do not use leather polish, detergents or harsh soaps to clean leather parts.
X Avoid storing the headphones in a damp or humid environment.
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