• Ideal temperatures: -10°C to +45°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.
• Please consult your doctor and the device manufacturer to determine if operation of your device
may interfere with the operation of your medical device.
• This product is not designed to be a medical device, and is not intended to diagnose, treat, cure
or prevent any disease. All data and measurements should be used for personal reference only.
If you experience skin discomfort when wearing the device, take it off and consult a doctor.
• Pacemaker manufacturers recommend that a minimum distance of 15 cm be maintained
between a device and a pacemaker to prevent potential interference with the pacemaker. If using
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