Here is a smart wearable device that connects to your phone and tracks your fitness activity on your treadmill or stepper. The Jacfit JRun Sensor tracks your speed, time, distance, and calories. It combines with your phone to record your data. It lets you exercise with friends or strangers online.
Once you wear this sensor, your movement is reflected by an avatar in the app. Users can customize their avatar with new outfits. This sensor is ideal for walking, jogging, and cardio training.