Sennheiser PX 210 BT Instruction Manual page 4

Intended use
Intended use of the headphones includes
• having read this instruction manual, especially the chapter "Important
safety instructions" on page 2,
• using the headphones within the operating conditions and limitations
described in this instruction manual.
"Improper use" means using the headphones other than as described in
this instruction manual, or under operating conditions which differ from
those described herein.
Safety instructions for the Lithium-Polymer battery pack
If abused or misused, the battery pack may leak. In extreme cases, it may
even present
• a heat hazard,
• a fire hazard,
• an explosion hazard,
• a smoke or gas hazard.
Please understand that Sennheiser does not accept liability for damage
arising from abuse or misuse.
Keep away from children.
Observe correct polarity.
Dispose of the battery pack
at special collection points
or return it to your specialist
dealer.
Only charge the battery
pack with the appropriate
Sennheiser chargers.
Only charge the battery pack
at ambient temperatures
between 10°C/50°F and
40°C/104°F.
Do not mutilate or dismantle.
Immediately remove the
battery pack from an
obviously defective device.
Only use the original
Sennheiser battery pack.
Important safety instructions
Do not pack charged batteries
loose – danger of shorting
out/fire hazard.
Do not short-circuit.
Switch battery pack-powered
devices off after use.
When not using the battery
pack for extended periods
of time, charge it regularly
(about every 3 months).
Do not heat above 70°C/
158°F, e.g. do not expose to
sunlight or throw into a fire.
Do not continue to use a
defective battery pack.
When not using the device
for extended periods of time,
remove the battery pack from
the device.
Do not expose to moisture.
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