Say goodbye to the gym and hello to the Slendertone Flex Pro Abdominal Muscle Toner. Now you can get fab abs without the back-wrenching time-intensive physical work. Let the clinically proven EMS technology do it for you.Additional information:Easy-to-use toner works the rectus oblique and transverses abdominis musclesUses clinically demonstrated EMS technologySignals sent between 3 GelPads reach nerves that branch out to all main abdominal areas7 programs with varying intensity levels 0-99 for increasing levels of trainingBelt fits 24- to 47-inch waist sizesManufacturer's warranty included - see Product Guarantee for complete detailsAbout SlendertoneSlendertone products are designed and created by BMR (Bio Medical Research) Ltd an international leader in the development and manufacture of elite products that build and sustain muscle groups via clinical approaches. Known and trusted for its ability to help consumers improve body shape and muscle tone Slendertone created the first toning belt to be approved by the United States FDA. Since then 2.5 million people have enjoyed toning belt results. Their team of scientists researchers and developers continue to create innovative healthy exercises that derive from electronics and mechanical engineering.