Battery life depends on device settings, environment, usage, and many other factors. 5-Minute charge testing conducted with drained AirPods Max that were charged for 5 minutes, then audio playback was started until the AirPods Max stopped playback. Volume was set to 50%, Active Noise Cancellation on, and Spatial Audio on but not active. The playlist consisted of 358 unique audio tracks purchased from the iTunes Store (256-Kbps AAC encoding). Testing conducted by Apple in November 2020 using preproduction AirPods Max and software paired with iPhone 12 Pro Max units and prerelease software.
Volume was set to 50%, Active Noise Cancellation on, and Spatial Audio on and active only during movie playback. Testing consisted of full AirPods Max battery discharge while playing one of the following: a music playlist consisting of 358 unique audio tracks purchased from the iTunes Store (256-Kbps AAC encoding), a cellular phone call, or a 2-hour 23-minute movie purchased from the iTunes Store until the AirPods Max stopped playback. Works with iPhone 8 or later and iPod touch (7th generation) with the latest version of iOS 12.9‑inch iPad Pro (2nd generation or later), 11‑inch iPad Pro, 10.5‑inch iPad Pro, iPad (5th generation or later), iPad Air (3rd generation or later), and iPad mini (5th generation or later) with the latest version of iPadOS and Apple TV 4K with the latest version of tvOS.Requires an iCloud account and macOS 11.1, iOS 14.3, iPadOS 14.3, watchOS 7.2, or tvOS 14.3 or later.Spatialize Stereo supports stereo content with iOS 15 or later, Apple Music with Dolby Atmos or 5.1, and video content recorded in 5.1, 7.1, and Dolby Atmos from supported applications.