Today, July 15 only, Amazon Prime Members can purchase a Fitbit Charge HR and receive a $25 Amazon.com credit! Features of this Fitbit include: 

• Get continuous, automatic, wrist-based heart rate and simplified heart rate zones
• Track workouts, heart rate, distance, calories burned, floors climbed, active minutes and steps
• Monitor your sleep automatically and wake with a silent alarm
• See call notifications, daily stats and time of day on the OLED display
• Sync stats wirelessly and automatically to your computer and over 150 leading smartphones