Product
• Use only a clean, soft, lint-free cloth for cleaning. If necessary, moisten the cloth with water or pure alcohol. Do not use other liquids; these may attack the polymer components.
Damp products 
Cables and plugs
Keep plugs clean and dry. Blow away any dirt lodged in the plugs of the
connecting cables.
Connectors with dust caps
Wet connectors must be dry before attaching the dust cap.