Spree Headband Swimming The Tone Pro features a

The Tone Pro features a comfortable around-the-neck design that countours to the body

The fashionale wristwatch combines materials such as sapphire crystal

Using a Performance Optimization Device (POD) with a built-in accelerometer and advanced plethysmograph

the Charge can continually monitor various health markers like your heart rate

Spree Headband Swimming The Tone Pro features aThe Spree Headband is a unique activity tracking device that is worn as a headband rather than a wrist watch. Using a Performance Optimization Device (POD) with a built in accelerometer and advanced plethysmograph, the Spree Headband can give you detailed information about your workout like calories burned, heart rate, and body temperature. These extensive metrics allow you to fully understand your performance so that you can continually improve. The