Improve your running with the Lumo Run Smart Running Sensor. This wearable sensor acts just like a running coach that you can bring anytime, anywhere. Likewise, the sensor and app join to analyze your running form and offer real-time audio coaching to help you achieve your goals. In fact, you can receive real-time feedback on your form directly through your headphones. Just clip the Lumo Run sensor to the back of your pants, making sure to align it with your spine.