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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.
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 me-
dium volume levels.
X Keep the headphones at least 10 cm/3.94” from cardiac pacemakers or im-
planted 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).
X Unplug the power supply unit from the wall socket during lightning storms or
when it is unused for long periods of time.
X Do not use the product near water and do not expose it to rain or moisture to
reduce the risk of fire or electric shock.
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
0 to 40°C/32 to 104°F.
X Use only attachments/accessories/spare parts supplied or recommended by
Sennheiser.
X Clean the product only with a soft, dry cloth.
X Only use the product in environments where Bluetooth® wireless transmis-
sion is permitted.
X Do not wear the headphones during charging because the built-in recharge-
able battery can get warm.
X Use the product with care and store it in a clean, dust-free environment.
X Do not operate the product near heat sources.