One of the key elements of your video
Voice-over narration is the process of using an off-camera voice to explain something to the audience. While voice-over narrators typically remain unseen and are not part of the action you may be witnessing, they do provide important commentary pertinent to what's happening on the screen.
A true voice-over artist should be energetic and casual, formal as well as informal depending on the requirement of the project. Flexibility is another factor that is expected of a voice-over artist. ... Natural articulateness is another quality that you would like to find in a voice-over artist.