Itel it2163N - Battery and Environment Cautions; Battery Handling in Extreme Conditions; Device Specifications and Safety; USB, Adapter, and RF Safety

– leaving a battery in an extremely high temperature surrounding environment
that can result in an explosion or the leakage of flammable liquid or gas;
– a battery subjected to extremely low air pressure that may result in an explosion
or the leakage of flammable liquid or gas.
3.The product shall only be connected to a USB interface of version USB2.0.
4.Adapter shall be installed near the equipment and shall be easily accessible.
5. EUT Temperature: 0℃～+55℃(Standalone). 5℃～+40℃(with adapter).
6.Adapter1: IML06
Input: 100-240V~ 50/60Hz 100mA
Output: 5V 350mA
Adapter2: L17ZIEA
Input: 100-240V~ 50/60Hz 100mA
Output: 5V 350mA
7.The device complies with RF specifications when the device used at 5 mm from
your body, and the holder must not be of metal composition）
8.To prevent possible hearing damage, do not listen at high volume levels for long
periods.
9.Earphone and USB cable are shielded.
The full text of the EU declaration of conformity is available at the following internet
address:
https://www.itel-life.com/support/eu-declaration-of-conformity