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Operation and safety
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To prevent possible hearing damage, do not listen at high volume levels for long periods.
• Ideal temperatures: 0 °C to 35 °C for operating, -20 °C to +55 °C for storage.
• Keep the battery away from fire, excessive heat, extremely low air pressure and direct sunlight. Do not place it on or
in heating devices. Do not disassemble, modify, throw, or squeeze it. Do not insert foreign objects into it, submerge
it in liquids, or expose it to external force or pressure, as this may cause it to leak, overheat, catch fire, or even
explode.
• Do not attempt to replace the battery yourself — you may damage the battery, which could cause overheating, fire,
and injury. The built-in battery in your device should be serviced by Huawei or an authorised service provider.
• Adult supervision is advised if children are to use or come into contact with this product.
• Please consult your doctor and the device manufacturer to determine if operation of your device may interfere with
the operation of your medical device.
• Switch off your wireless device when requested to do so in hospitals, clinics or health care facilities. These requests
are designed to prevent possible interference with sensitive medical equipment.
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