Silvercrest SBL 3 D2 Operating And Safety Instructions Manual page 21

• the suction cup must always be kept clean to ensure secure
attachment of the speaker. In addition, the suction cup must not
be damaged, as a secure hold is no longer possible in this case;
• the choice of surfaces to which the suction cup can be attached is
limited to smooth surfaces, e.g., glass panes or smooth tiles;
• there is always a secure attachment, otherwise the speaker may
fall and cause injury and property damage;
• the speaker is only charged in a dry environment.
SilverCrest SBL 3 D2
US-EN - 19