Silvercrest SBH 3.0 C1 Operating Instructions And Safety Instructions page 44

SilverCrest SBH 3.0 C1
 the headset is not exposed to direct sources of heat (for
example, heaters)
 if you use the headset inside a car parked in direct
sunlight, please be aware that temperatures may
exceed +45 °C. Keep sensitive electronic devices
outside your car.
 the headset is not exposed to direct sunlight or strong
artificial light
 contact with splashing and dripping water and
corrosive liquids is avoided, and that the headset is not
operated in the vicinity of water. In particular, the
headset should never be immersed, nor should any
containers filled with liquids, for example vases or
drinks, be placed on or near the headset.
 no naked flames (for example, burning candles) are
placed on or near the headset.
42 - English
WARNING Please make sure that: