With the most recent version of Android, ... Navigate to Settings > Accessibility > Sound Notifications > Open Sound Notifications > gear icon. Select Custom sounds. Press Add sound.

Android's System UI Tuner lets you mess with Google's mobile OS just a little bit more than usual. Here's how to find it, and a quick rundown of what it can do.

Samsung's Gear Icon X 2018 is a small, comfortable-to-wear, ... require Samsung's S Health and Android-only Gear app. You also need the Gear app to update the earphones' firmware.