This is from almost 10 years ago, but I imagine that they have not improved their machines or proved their claims...
FTC Charges Three Top-selling Electronic Abdominal Exercise Belts with Making False Claims
Save your money, change your diet, do ab/core movements with resistence.
I'm Doing the *WORK* now...So I don't squander my Retirement Savings on Liposuction and Plastic Surgery...#BEASTMODE
Sarcasm and Cynicism are not helpful or attractive traits, respond to posts as you wish to be responded to.