A landmark international study across five Central European countries has found hazardous chemicals in every single pair of headphones analysed, from premium models to cheap imports. Authors say the results reveal a systemic failure in consumer safety regulation across the electronics industry. The investigation, conducted as part of the EU-funded ToxFree LIFE for All project, analysed 180 samples of hard and soft plastic components from 81 headphone products marketed to children, teenagers, and adults in the Czech Republic, Slovakia, Hungary, Slovenia, and Austria.
Does the article neither list the products or a link to the original paper?
There’s a hyperlink in OP comment (this one) that has the study linked through a download button.
here’s the direct ddownload link