![HOFFEN USB01 Instruction Manual Download Page 13](http://html1.mh-extra.com/html/hoffen/usb01/usb01_instruction-manual_2143813013.webp)
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Children cannot perform cleaning and maintenance of the device unless they are
under adult supervision.
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With consideration of your safety, we recommend that you do not remove the
protective grill from the fan.
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Before charging, please straighten out the USB cable.
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Never use the device when the grill is removed or damaged.
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The device must be standing on a hard, flat, and stable surface to prevent it from
toppling over when active.
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Never try to move an operating device. Turn off the device before moving it.
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Before use, the device must be assembled completely! Never use a partially
assembled device or a device with damaged parts.
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Keep the device at least 50 cm away from other objects (drapes, walls, etc.).
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Keep your hands, hair, clothing, or accessories away from the protective grill of an
operating device to prevent physical injury and damage to the device. Never cover
the device.
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WARNING! Misuse may lead to physical injury.
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Electrical shock hazard! Never repair the device without professional assistance. If
the device is malfunctioning, entrust its repairs to a qualified professional.
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When removing the USB cable from the port, never tug it by the wire or wind the
cable around the device.
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Never use accessories not included by the manufacturer as they can produce a risk
to the safety of the user and damage the device. Use only genuine accessories.
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If you are using a charger adapter, it must be adapted to the power of the device.
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The device is intended for personal use indoors only.
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Protect the device and the USB cable from dust, direct sunrays, and dripping or
splashing water.
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Before putting away the device after use, please wait until it cools off completely.
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Never use the device near an open window. Rain may produce an electrical
shock hazard.
Electrical safety
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Never open the casing. Do not place your fingers or other objects into the device
and do not obstruct the ventilation ports.
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Protect the device from high temperatures. Do not place it in proximity of open
flame or sources of heat such as ovens or heaters.
* Never use the fan when the grill is removed or damaged.
7. USE
CHARGING
Connect the fan with the included USB cable to a charging source. It is recommended
to charge the device fully before first use.
During the charging process, the battery’s state of charge is indicated by the LED
diodes (element 3):
1. Under 25%: the first LED diode will be flashing, the remaining three diodes will
be off.
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