BIONIC DESIGN: This exoskeleton leg compensates for insufficient muscle strength by synchronizing with the human gait, and uses natural gravity to complete efficient assisted training. NATURAL POWER：Exoskeleton legs that harness natural mechanical energy, eliminating the need for charging. This innovative exoskeleton is empowering your adventures without battery worries. LIGHTWEIGHT AND EASY TO WEAR: This exoskeleton suit weighs is only 1.23kg, making it easy and comfortable to wear. The intuitive design allows for quick and easy donning and doffing. PENDULUM PRINCIPLE: This exoskeleton suit is more efficient without a power source. Consider the hip and knee as two pendulum oscillators. Walking not only on leg muscles but also on the natural tendency of gravity. THREE OPTIONS: Our exoskeleton walking device offers three options: left leg, right leg, and both legs simultaneously. This versatility enhances stability and flexibility when hiking or climbing stairs.