SilverCrest SKG 1 A1 Instructions D'utilisation Et Consignes De Sécurité page 27

If smoke is produced, or there are any unusual sounds or
smells, disconnect the product immediately. In such cases,
the product should not be used until if it has been inspected
by authorised service personnel. Only have the product
repaired by qualified personnel. Never open the housing of
the product.
˜ Troubleshooting
Problem
No sound coming out from the
earbuds 1 .
˜ Disposal
Packaging:
The packaging is made of environmentally friendly materials,
which may be disposed of through your local recycling facilities.
Product:
Contact your municipality for information on how to dispose of
your worn-out product.
The adjacent symbol of a crossed out dustbin on
wheels indicates this product is subject to directive
2012/19/EU. This directive states at the end of the
life this product must not be disposed of through
regular household refuse but must be returned to
special collection sites, recycling depots or waste
management companies.
This disposal is free of charge to you.
Protect the environment and dispose of properly.
26 GB/IE
Solution
Check the cable connections.