This portable mini pedal exerciser is made of sturdy heavy-duty steel frame, with a compact foldable design. It works as an under-desk desk bike, perfect for both arms and legs low-impact workout. Adjustable resistance meets different workout needs for beginners and users with limited mobility. It is ideal for sedentary officers who can exercise while working at desk, and seniors looking for gentle daily cardio training to improve circulation and muscle strength without taking too much space.