3 Core Advantage.Low Frequency EMS Pulse Technology—Electrical Muscle Stimulation current is conducted to the skin, and by activating the cells of the human body, it prevents soreness caused by muscle stiffness. Promotes blood circulation and relaxes the feet.Smart Acupoint Capture—Through accurate acupoint massage, it will be more comfortable experience.Light Weight & Portable—A soft and comfortable foot pad, lightweight, foldable, easy to carry anywhere.You can have a little relaxing Therapy wherever you go.