How long will the product's charge last?

• It depends on which features are enabled on the product. See the tables below to determine how long the charge will last.

  ProSense 17

  Features enabled	Remaining charge
  GPS positioning	13 hours
  Measure Activity setting	7 days*
  Watch mode	30 days*

  ProSense 57

  Features enabled	Remaining charge
  GPS positioning and heart rate monitoring	10 hours
  GPS positioning	13 hours
  Measure Activity setting (Continuous)	2 days*
  Measure Activity setting (Auto)	4 days*
  Watch mode	30 days*

  * With the Auto Sleep setting set to ON.