The LifeSpan TR800-DT3 under desk treadmill is the most affordable way to get more out of your standing desk, burning more calories, reducing stress and decreasing back pain. The space-saving design makes this LifeSpan treadmill a great addition to your home office, and the portable console is small enough to sit discretely on your desktop.
https://www.amazon.com/LifeSpan-TR800-DT3-Under-Desk-Treadmill/dp/B009QHLW64

