This product is used to strengthen your body muscles and shape your body. If you want to exercise your muscle in a easy way, it is your best choice. What you should do is to fit the pads to your body and it would work. Just keep using it everyday, you will have a nice and handsome body.   Features:  Brand new and useful to shape your body.  Made from superior material, no poison and no harm to your body.  Help to tone, tighten and strengthen your body muscles in a easy way.  Very easy to use, just fit the pads to your body and let them exercise your muscles.  6 modes optional and strength adjustable to help fat burning and muscle growing.  Super light, wearable and convenient for you to bring anywhere.  8 packs of abdominal model design is better for you to exercise.  Power off automatically after 12 minutes if you forget the time.   Specifications:  Color: yellow+black, red+black, pink (optional);  Controller material: polyurethane (PU);  Sticker material: silica gel;  Power supply: 2 * AAA batteries (per controller) (not included);  Using mode: A-F (6 modes);  Frequency: 1~100Hz;  Working current: max.9.8mA;  Training time: 12 minutes (per training time);  Fit for: unisex;  Abdomen trainer: 19.5 * 19.3cm;  Arm training belt: 20.5 * 6cm;  Item weight: 253g / 8.92oz;  Package size: 22.8 * 21 * 4.6cm / 8.98 * 8.27 * 1.81in;  Package weight: 300g / 10.58oz;   Note:  1.Please read the instructions before use.  2.If you feel a little flax when do exercise. It is normal and do not worry about it.  3.The batteries are not included in the package.   Package List: 3 * Controllers;  1 * Abdominal Muscle Sticker;  2 * Arm Stickers;  1 * User Manual