With your Dyson Zone™ headphones successfully paired and connected to the MyDyson™ app, open the MyDyson™ app to the home-screen and select the ‘Settings’ icon in the top right, then select ‘Your machine’s settings’.
From here, navigate through to the ‘Air’ section.
This ‘Air’ section includes filter life as a percentage calculation, and the filter management options.
To read more on filter life and filter management feature in the MyDyson™ app, click on the corresponding links: