About Flex Marketing Partners, Inc
- FlexTone is a manufacturer of Electronic Muscle Stimulators and Tens products. Our EMS and Tens units are used worldwide for toning, reshaping and firming abs, pecs, biceps, triceps, legs, buttocks and for building muscle definition. FlexTone Tens units are also used to help manage chronic pain. FlexTone stimulators are used by doctors, chiropractors, and rehab centers around the world.