2-in-1 Mode and Automatic or ManualThe under-desk elliptical machine has manual (12 speeds) and automatic (P1-P3) for you to choose. The manual mode(HR) has 1-12 adjustable speeds, allowing you to develop a fitness plan that suits you better and better achieve your exercise goals. The 3 automatic modes (P1-P3) are all preset with movement speed, resistance and direction. No tedious operation is required. Just press the start button to start exercising. Low Impact and Zero PressureThe gentle, low-impact motion of the under-desk electric elliptical machine makes it ideal for seniors and individuals in rehabilitation. This form of exercise avoids overloading the body, can burn calories, strengthen muscles, and has a good exercise effect on the feet, legs, knees and hips. The pedals can be used in both forward and reverse motions, targeting different muscle groups and helping to relieve tension.