UNDER DESK ELLIPTICAL: The GUGTTR elliptical machine allows for seamless workouts or rehabilitation, all from your home or office chair. Whether working, reading, or watching TV, turn sitting time into an exercise opportunity with this pedal exerciser. And feel fantastic with home-use elliptical machines HR & AUTO MODES: Exercise workout anytime, anywhere. In HR (manual) mode, you can adjust the workout time, speed, and direction using the remote control or buttons on the elliptical. Then switch the Mode to Auto Mode. In Auto Mode, you can adjust the P1-P3 modes and the pedals can move forward or backward to target different muscles