I turned on voice control but can't get back to turn it off. I don't know how to

Turn VoiceOver on or off

Important: VoiceOver changes the gestures you use to control iPhone. When VoiceOver is on, you must use VoiceOver gestures to operate iPhone.

To turn VoiceOver on or off, use any of the following methods:

• Activate Siri and say “Turn on VoiceOver” or “Turn off VoiceOver.”
• Triple-click the side button (on an iPhone with Face ID).
• Triple-click the Home button (on an iPhone with a Home button).
• Use Control Center.
• Go to Settings  > Accessibility > VoiceOver, then turn the setting on or off.

Also read here => Change your VoiceOver settings on iPhone - Apple Support