The first wearable to feature paimio slice is the first wearable to capture your heart rate dataall day and translate it into your pai score pai personal activityintelligence is a revolutionary new metric that tracks your bodysresponse to all of your physical activity more than just stepsand gives you actionable feedback that is scientifically proven toadd years to your lifeslice also offers other features such as sleep tracking caloriesburned distance and more all from a stylish water resist