31GB/IE/NI
Cleaning and maintenance
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ATTENTION!
Potential damage to the product!
Switch the product off and remove all plugs before cleaning!
Be sure moisture does not enter the product during cleaning to
prevent damage to the product and related repairs.
The ear cushions[], [] and [] can be removed from the
headphones[1] for cleaning. Clean the ear cushions under
running water. Let the ear cushions dry completely, before you
fit the ear cushions.
Only clean the product with a slightly dampened cloth and a
mild cleaning agent!
Do not use any abrasive, aggressive cleaners to clean the
product.
Storage when not in use
Store the product in a dry environment, protected from dust and
direct sunlight.
Store the headphones in the charging/storage box [7].
Prolonged storage: To prevent battery deterioration, the
rechargeable battery has to be charged at least once every
12 months.
Troubleshooting
= Fault
= Possible cause
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