Huawei Tap User Manual page 4

Do not place magnetic storage media near your phone. Radiation from
the phone may erase the information stored on them.
Do not put your phone in a high- temperature place or use it in a place
with flammable gas such as a gas station.
Keep your phone and its accessories away from children. Do not allow
children to use your phone without guidance.
Use only approved batteries and chargers to avoid the risk of
explosions.
Observe any laws or regulations on the use of wireless device. Respect
others' privacy and legal rights when using your wireless device.
Strictly follow the relevant instructions in this manual while using the
USB cable. Otherwise your phone or PC may be damaged.