Here is an app connected smart elliptical that is compact enough to fit under your desk to give you a workout as you work or watch TV. The MODVEL Smart Under Desk Elliptical has a quiet design with 8 adjustable resistance levels. It works with the Modvel app to keep track of calories burned and distance.
This elliptical machine has a handle that makes it easy to move it around. It is compatible with iOS and Android devices. You can find out more about it here.