Adjust the volume on iPod touch
When you’re listening to songs, movies, or other media on iPod touch, the buttons on the side of iPod touch adjust the audio volume. Otherwise, the buttons control the volume for the ringer, alerts, and other sound effects. You can also use Siri to turn the volume up or down.
Ask Siri. Say something like: “Turn up the volume” or “Turn down the volume.” Learn how to ask Siri.
WARNING: For information about avoiding hearing loss, see Important safety information for iPod touch.
Lock the ringer and alert volumes in Settings
Go to Settings
.Tap Sounds.
Turn off Change with Buttons.
Adjust the volume in Control Center
When iPod touch is locked or when you’re using an app, you can adjust the volume in Control Center.
Open Control Center, then drag 
.
Limit the volume for music and videos
Go to Settings
> Music > Volume Limit.Drag the slider to the maximum volume level you want to allow.
Temporarily silence calls, alerts, and notifications
Open Control Center, then tap 
. (See Set Do Not Disturb on iPod touch.)