Apple MDV84ZM/A audio cable 1.2 m 3.5mm USB Type-C White

This bi-directional cable can be used with both 3.5mm audio-out and audio-in ports, allowing you to connect your AirPods Max to 3.5mm audio sources, or to connect your iPhone or iPad to speakers with 3.5mm audio ports. When connected to AirPods Max, this cable enables ultra-low latency on a par with the device’s built-in speakers for an optimal experience when gaming or creating content.

Using with AirPods Max
Connect your AirPods Max to the audio-out port on an aeroplane, on a Mac or on another device.

Using with iPhone or iPad
Connect your iOS or iPadOS device to the audio-in port on your car stereo or other speaker system, as well as Beats headphones with 3.5mm input.