Sunny Health & Fitness Foldable Walking Treadmill – SF-T7942, Grey $399.97 Make sure this fits by entering your model number. CAPABLE MOTOR: Walk and jog up to 7mph on the space-saving running belt. Designed for comfort, the walking belt comes equipped with shock-absorption technology. FOLDABLE: Crafted to save space, this treadmill can fold completely upright. Use the onboard transportation wheels to move the treadmill while it is folded.