IMPACT 400 - Changing the volume
Tap the volume button + or - to increase or reduce the volume or press and hold the button for fast volume changes.
Alternatively, you can adjust the volume for calls and media streaming on your connected device.
Tap the volume button + or - to increase or reduce the volume or press and hold the button for fast volume changes.
Alternatively, you can adjust the volume for calls and media streaming on your connected device.