Well it's a wriststrap so they can have either a gyroscope that measures your gyrating, or a heart rate monitor. Considering they have different types of exerc

Well it's a wriststrap so they can have either a gyroscope that measures your gyrating, or a heart rate monitor. Considering they have different types of exercises for 1 player and more it's possible a gyroscope would measure the specific movement you're doing with your wrist, and the heart rate monitor would monitor your supposed fat burn. I hope pornhup aren't expecting too much from this service.