Sports Assist Robot π is a lightweight lower limb exoskeleton product that integrates core technologies such as ergonomics, power, electronics, and AI algorithms. It can sense lower limb movement trends and provide timely assistance, effectively reducing the burden on the legs and offering exercise protection for a more balanced cardiovascular workout. The device features a stylish and cool appearance; it weighs only 1.8 kg; provides significant assistance, with a maximum output of 15 Nm; has a flexible waist design that accommodates a wider range of body types; allows for easy on and off; and boasts a unique modular disassembly and folding structure that takes up minimal space for easier storage. The battery is replaceable, making it suitable for outdoor environments. The AI smart learning algorithm automatically adapts to walking habits, making it widely applicable across various aspects of daily life and work.