[canucker2016]

Only article I can find that lists the product and results summary (no detailed information) is at https://www.dailymail.co.uk/sciencetech/article-15570139/Urg...

  Each component of the headphone is rated either 'red', 'yellow', or 'green'.

  A green rating means there is between zero and 0.8 mg/kg of harmful bisphenols. 

  A yellow rating means there is between 0.8 and 10 mg/kg.

  A red rating means there is more than 10 mg/kg, which is the limit suggested by the European Chemicals Agency.

The one Apple product listed (Apple AirPods Pro 2. Gen. USB–C ) is all green.

Two of the Sony products listed have yellow for the ear-touching parts of the product (Sony Ult Wear and Sony Noise Cancelling WF–1000XM5). The other Sony products are green.

One of the Sennheiser products (Sennheiser Momentum Wireless 4 ) is listed as red for the ear-touching portion of the product.

One of the Bose products (Bose QuietComfort Headphones ) is listed as red for the ear-touching portion of the product.

[HelloUsername]

> Only article I can find that lists the product and results summary

From page 37: https://arnika.org/en/publications/download/2128_f40ae4eb2e6...