?Scientific & Healthy Fitness?? This muscle toner machine can transfer EMS (Electrical Muscle Stimulation) current signal to your muscle directly, which makes a rhythm and safe impulse on body, and help to tone, tighten and strengthen your body muscles. You can gain a better figure after using this product for about 6-8 weeks. ?Rechargeable & Portable?? SYOSIN Abs Stimulator apparatus are rechargeable with USB cable. They are lightweight and portable; you can use this stimulator at anytime and anywhere. It's wearable and convenient to carry on. The body fit pad can be worn unobtrusively under your clothes, making it ideal for muscle training while reading, watching movies or doing housework, or even during business or leisure trips. ?Smart & Efficient?? The stimulator has 6 modes and 15 levels of intensity optional,adjust the modes and intensity from low to high according to personal needs. Only 20 minutes/time and 1-2 times/day of using equals to 2000M running, 60 minutes of sit-ups or swimming for half an hour. Burning fat and growing muscles for about 2 months, you can gain a better figure!!! ?Easy Changing??The gel sheets need to be replaced after using 25~30 times because it may become not sticky and decrease the EMS intensity.The machine is detachable which makes it so easy to change gel. We also sell gel pads replacement on Amazon, you can come and find them at our store. ?100% Satisfaction Guarantee?? Your satisfaction with the products is our pursuit. You can enjoy a 3 month warranty.We promise a HASSLE-FREE way of return or refund if you are not satisfied with our product. If you encountered any problem with the product please contact us at anytime, we will help you solve the problem.