SEREN & KONZENTRATE

To view YouTube contents on this website, you need to consent to the transfer of data and storage of third-party cookies by YouTube (Google). This allows us to improve your user experience and to make our website better and more interesting. Without your consent, no data will be transferred to YouTube. However, you will also not be able to use the YouTube services on this website.

To view Vimeo contents on this website, you need to consent to the transfer of data and storage of third-party cookies by Vimeo.. This allows us to improve your user experience and to make our website better and more interesting. Without your consent, no data will be transferred to Vimeo. However, you will also not be able to use the Vimdeo services on this website.

Tool to collect and present customer reviews

Statistical software for analyzing visitor data

In order to unlock offers for extended payment options, in particular express checkout and payment in instalments, we require your consent to the data transfer and storage of third-party cookies of the payment provider PayPal. This allows us to also offer you express checkout and payment by instalments. Without your consent, only the technically necessary data transfer to PayPal will take place, but you will then not be able to use the express checkout or extended offers for payment by instalments on this site.