Maybe one of these similar products would be of interest:-

TABEKE Pedal Exerciser, Under Desk Bike Stationary Pedal Exerciser for Arm and Leg Workout, Portable Folding Sitting Desk Cycle

YPOO Foldable Treadmill with Incline, Walking Pad with Handle Bar 3 Level Incline, Portable Folding Treadmills for Home/Office 300 Lbs Capacity, Quiet Desk Treadmill with Remote Control & APP

Walking Pad Treadmill with Incline, Under Desk Treadmill for Home Office, 4 in 1 Portable Folding Treadmills, 265lbs Capacity 2.5HP Low-Noise Walking Pad for Walking Jogging Running

REDLIRO Under Desk Treadmill 2 in 1 Walking Pad, Portable, Folding, Electric, Motorized, Walking and Jogging Machine with Remote Control for Home and Office Workout

Walking Pad Treadmill, Foldable Treadmills with Handle Bar, 2.5HP Portable Folding Treadmill with Remote Control, 2 in 1 Under Desk Treadmill for Home Office, Small Treadmill, 300lb