It seems you are not the only one complaining about humming noise:
https://www.amazon.fr/product-reviews/B08Y8CZB2S/ref=acr_dp_hist_1?ie=UTF8&filterByStar=one_star&reviewerType=all_reviews#reviews-filter-bar
Leider nicht zu gebrauchen, nach dem einstecken kommt sofort ein starker Netzbrumm
UGreen makes good cables but I do not how good their other products are.
Among the above photo I posted, I think Soundblaster is most trustworthy.
https://www.amazon.fr/gp/product/B073KTPNDR/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
If you got it from Amazon, return is easy.