Each device comes with a user guide inside the box. If you cannot find your user guide you can find one for each IQOS device here.
Your IQOS Holder and Pocket Charger are safe as electronic devices when used in accordance with the instructions in the Quick Start Guide. For more details refer to the User Guide. They both comply with the EU consumer electronic safety requirements indicated by the “CE" (European Conformity) symbols on the packaging.
Keep your IQOS away from water, direct sunlight and/or heat. Do not leave your IQOS device for extended period of time in a hot place, such as inside a car, as the battery or electronics may be damaged or significantly deteriorated.