Move to the beat of you with Fitbit Alta HR-the heart rate wristband that motivates you to reach your goals in style. Jumpstart your fitness journey with PurePulse heart rate and SmartTrack automatic exercise recognition. Track your all-day activity and sleep, stay connected with smartphone notifications, and get friendly Reminders to Move. Using Bluetooth LE wireless technology, Fitbit Alta HR sends smartphone notifications and syncs automatically to computers and 200+ mobile devices. FB408GMBKL