All our contact details are available on our contact page.
You can contact the customer service by email at contact@slim-sonic.com and by phone from Monday to Friday from 8am to 7pm at +41 (0)22 920 25 25 in Switzerland or +33 (0)1 83 64 04 96 in France.
Calling costs may apply if you call the number that does not correspond to your country.