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Safety Precautions
Do not put the product directly on
sand at a beach, etc. Sand or other
small particles might get inside the
earpiece, microphone or speaker,
causing the volume to drop. If sand
gets inside the product's main unit, it
might cause overheating or a fault.
When using the product for calling or
data communication, be careful not
to keep the product in direct contact
with your skin for a prolonged period,
or not to cover the product with
paper, cloth, bedding, etc. The main
unit might get hot, causing fire, burns
or a fault.
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Battery pack
(The battery pack of this
product is a lithium-ion battery.)
The battery pack is not
fully charged at the time of
purchase. Charge the battery
before using the product.
DANGER
Be sure to read the
following hazards before
use.
Do not short-circuit the positive (+)
and negative (-) contacts of the
battery pack.