The Electric Stimulator Toner Fitness Belt EMS Abdominal Muscle Toning Trainer is a black electronic toning belt designed for indoor use. Made from PU + ASS material, this 110*18.5cm belt is powered by a USB source and features a washable design for easy maintenance. Specifically targeting the ab muscles, this unisex adults' fitness trainer is ideal for gym and training activities, providing a convenient and effective way to tone and strengthen the abdominal muscles. Made in China, this EMS abdominal muscle trainer offers a comfortable and efficient workout experience.