Features1Function: Powered by 2 AA batteries (not included), high strength and strong vibration. Electric heated waist wrap can be used for abdominal slimming and relieve muscle discomfort. 2Ergonomics: The back of our electric waist wrap belt features a very soft and comfortable contact surface that keeps you comfortable and can dissipate heat evenly. Considering the size of your waist, our belt is adjustable. 3Material: Our electric waist belt device is made of cotton material, which is soft and skin friendly, without any harmful substances, no peculiar smell. It has long service life and can be used for a long time. 4Convenience: Our belly heating pad is easy to use, which is suitable for leg, waist, back massage and meet different needs, you can go to enjoy massage after a day work. 5Wide Application: No matter resting, reading, driving, working, you can use our electric waist slimming belt without causing too much impact on yourself.SpecificationItem Type: Electric waist belt deviceMaterial: CottonApplicable Parts: Legs, waist, backHow To Use: Open the zipper and pick up the battery compartment to insert 2 AA batteries. Make sure the polarization is facing the correct direction. Put back the battery compartment and pull back the zipper, press the button to switch operation.Massage Principle: VibrationPower Supply Mode: 2 AA batteries (not included)Package List1 xElectric Waist Belt Device