1Available on compatible devices updated to iOS 18, iPadOS 18 or macOS Sequoia and later paired with AirPods 4, AirPods 4 with active noise deletion, or AirPods Pro 2 with the latest firmware version.2Space audio works with compatible content in supported apps. To create a custom profile you need an iPhone with TrueDepth camera.3Siri and activation with the “Siri” command may not be available in all languages or in all countries, and its functions may vary depending on the geographical area. A compatible device and internet access are required. Data traffic costs may be applied. Activation with the “Siri” command is not available on AirPods with H1 chips and Macs with Intel processor. Devices must support and install the latest version of the operating system.4You need a device Apple compatible updated to the latest version of the operating system.5The Where is iOS 18 or later.6Test conducted by Apple in July and August 2024 using AirPods 4 pre-production with charging case combined with iPhone 16 Pro Max pre-production; all devices have been tested with pre-release software. The playlist consisted of 358 unique audio tracks purchased on the iTunes Store (AAC to 256 Kbps). The volume was set to 50% and space audio was disabled. The tests included the complete exhaustion of the AirPods battery during audio playback until one of the two earphones was switched off. Battery life depends on device settings, environmental conditions, usage and many other factors.7Test conducted by Apple in July and August 2024 using AirPods 4 pre-production with charging case combined with iPhone 16 Pro Max pre-production; all devices have been tested with pre-release software. The playlist consisted of 358 unique audio tracks purchased on the iTunes Store (AAC to 256 Kbps). The volume was set to 50% and space audio was disabled. The tests included the complete exhaustion of the AirPods battery during audio playback until one of the two earphones was switched off. After a full charging, the audio playback has been restarted until the switch off of one of the two earphones. The procedure has been repeated until the complete exhaustion of the AirPods battery and the charging case. Battery life depends on device settings, environmental conditions, usage and many other factors.8Charging requires a compatible USB‐C power supply.9AirPods 4 are resistant to dust, sweat and water in non-water sports and activities. The earphones and charging housing were tested in the laboratory under controlled conditions, with an IP54 rating according to the IEC 60529 standard. Dust resistance, sweat and water is not a permanent feature and could decrease with normal wear. Do not attempt to recharge the earphones when wet; to clean them and dry them