Operating Temperature; Preventing Hearing Damage - Lenovo Z1221 Quick Start Manual

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Safety, regulatory & handling information
This section contains important safety, regulatory and handling
information for your phone. Complete information, including
recycling and environmental information, is provided in the
Regulatory Notice.
Reading first — regulatory information
Be sure to read the Regulatory Notice for your country or
region before using the wireless devices contained in your
Mobile Phone. To obtain a PDF version of the Regulatory
Notice, see the "Downloading publications" section.

Operating temperature

Use your phone only in the temperature range of -10°C (14 °F)
— 40°C (104°F) to avoid damage.
General battery notice
Batteries supplied by Lenovo for use with your phone have
been tested for compatibility and should only be replaced with
approved parts. Dispose of used batteries according to the
instructions.
CAUTION:
Risk of explosion if the battery is replaced with an incorrect type.
Do not attempt to replace the internal rechargeable lithium ion
battery. Contact Lenovo Support for factory replacement.
Charging
Lenovo is not responsible for the performance or safety of
products not manufactured or approved by Lenovo. Use only
Lenovo-approved ac adapters and batteries. Adapters shall be
installed near the equipment and shall be easily accessible.

Preventing hearing damage

CAUTION: Excessive sound pressure from earphones and headphones
can cause hearing loss.

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