Hearing Aid Feature (HAF). The HAF, described later in this paper, is a software medical device that helps users compensate for perceived mild to moderate h...

https://www.apple.com/jp/health/pdf/Hearing_Health_Features_on_AirPods_Pro_2_October_2024.pdf

to a recycled content standard that conforms to ISO 14021 definitions. Renewable materials: We define bio-materials as those that can be regenerated。

https://www.apple.com/jp/environment/pdf/products/iphone/iPhone_Air_PER_Sept2025.pdf