Sony RNPK-4 Help Manual page 4

Air temperature
(typical value)
Caution
(below 28°C)
From the website "Heat Illness Prevention Information," Ministry of the Environment, Government of Japan
Notice about water
When your hands are wet, do not touch the unit or the supplied USB cable, and do not charge the unit.
Guideline for life
activities that need
attention
Risks in strenuous life
activities
E-992-100-12(1) Copyright 2023 Sony Group Corporation
Generally, there is little danger, but there is a risk of occurrence
during strenuous exercise or heavy labor.
4
Precautions