If you have an iPhone 7, read below:
Take a Live Photo
A Live Photo captures what happens just before and after you take your photo, including the audio.
- On models that support Live Photos, choose Photo mode.
- Tap "circle icon" to turn Live Photos on (yellow is on) or off.
- Tap the shutter button to take the shot.
You can edit Live Photos in the Photos app. In your albums, Live Photos are marked with “Live” in the corner.