IMPORTANT: Please note this option "Black-7% Incline" treadmill only has a 7% incline and the handle is not adjustable. If you want to buy a treadmill with 12% incline and adjustable handle bar, please choose another option, which is "Black-12% Incline" Incline Walking Pad TreadmillThe 7% incline design more realistically simulates climbing scenarios than other regular treadmill, burning more calories. This folding treadmill height 42 inches, fit for user under 6'2''. Speed range varies from 0.6 to 7.5 mph, can be adjusted according to your needs. You can fold or unfold the handle of under desk treadmill to enjoy a more flexible, comfortable and safe sports experience.