Our treadmill can undoubtedly be your emotional support. It is suitable for adults, teenagers, and even the elderly. Incline: 3 Levels. 1 Foldable Treadmill. Special Feature: Foldable, Compact. Long Handrails: Two ergonomic anti-slip and shock-absorbing handrails not only make your grip more comfortable but also provide sufficient space for your hands to place.