Question about USB-C to 3.5mm adapter - 266116

So hier ist das Angebot von der Oneplus Seite

www.oneplus.com/de/product/oneplus-8-attach-bundle

If you open the Oneplus Store www.oneplus.com/oneplus-8-pro you will see at the bottom under bundes that the jack is available for purchase under "Special Offers -> Show More " for the OnePlus 8.

Offer name: OnePlus 8 Pro Attach Bundle

Hello

I have a OnePlus7 and the following USB C jack adapter worked for me. Unfortunately, it was not so well made and is now defective (not robust).
Huawei CM20 (USB C, 3.5mm)

Now I have the adapter from OnePlus which makes a better impression and I think it will also work for the OnePlus 8.