In addition, the update has improved switching between devices.
Apple recently released a firmware update with version number 3C39 for AirPods Max headphones. It fixes an issue related to faster battery drain in this device and reduced battery life. This has been confirmed by independent testing.
Firmware version 3C39 fixes Apple AirPods Max headphone battery drain issue
After a firmware update, AirPods Max enter a low power mode in time when conditions are met, conserving battery power.
In addition, the source claims that the update has improved device switching.
