material: made of ABS, non-toxic and tasteless, can be used for a long time, meeting the needs of most people. Unique design: portable design, lightweight host. The patch is as thin as a piece of paper and can be folded at will. Easy to put in your bag or suitcase. Exercise anytime, anywhere. Easy to use: There are 6 modes and 10 strengths to help fat burning and muscle growth. Each EMS machine can be adjusted individually. You can choose different modes and intensities to meet your desired muscle training effect. USB Charging:Applies USB charging, getting rid of endless battery replacements. You now have the flexibility of being able to take the EMS muscle stimulator wherever you like without battery hassle. Use range: Head, neck, waist, buttocks, legs, back muscle training is designed, it exercises abdominal muscles to achieve the effect of muscle strengthening, you can have a very good figure after wearing clothes.