Granted, but they require 1,000,000 AA batteries to work, creating a solid platform about five feet tall, wide, and long below your feet. Sure, you can teleport, but forget about walking. Oh, and the batteries only last about one jump.
I wish I could speak with perfect clarity, tone, intonation, etc., surpassing all other puny mortals as the world gathers around to hear the inspiring speeches I give with my perfect voice.