The iPhone has a nice optional health feature called Headphone Notifications, that aims to protect your hearing from loud music and sounds.

What exactly does Headphone Notifications do, you ask? In layman’s terms, the feature notifies you if you’ve been listening to loud audio via headphones. How does your iPhone know if your music is too loud, you ask? Basically, your iPhone analyzes your headphone audio levels, and checks if you’ve reached the recommended 7-day audio exposure limit. This is a feature that some users may really want to enable, while other…