Charge HR, High-end Charge HR, Heart-rate Monitor, And Holiday Season

Meet Fitbit?s latest: The Charge, Charge HR, and the Surge. These activity trackers will sit atop the brand?s masthead going into 2015 and beyond. But don?t look for most of these products this holiday season. Only the $130 Charge will be available this year. The $150 Charge HR and $250 Surge hit…