Charge HR is an advanced tracker that delivers continuous, automatic wrist-based heart rate, Caller ID and all-day activity tracking for active users looking to push their fitness further.
It's designed for more active users who are dedicated to staying fit and want a full picture of their health &ndash in and out of the gym.
Charge HR features Fitbit's proprietary PurePulse optical heart rate technology, which provides continuous and automatic wrist-based heart rate monitoring, without an uncomfortable chest strap. PurePulse uses safe LED lights to detect blood volume changes right on the wrist to deliver heart rate monitoring 24/7.
- Water-resistant to 1 ATM
- Battery life: up to 5 days
- Charge time: One to two hours
- Radio transceiver: Bluetooth 4.0
Sizing: Please ensure you select the appropriate size as per the guidelines below.
Small size: fits wrists 5.4' - 6.2'
Large size: fits wrists 6.2' - 7.6'
Charge HR's wristband is made of a flexible, durable elastomer material similar to that used in many sports watches. Charge HR also has a surgical-grade stainless steel buckle.
PurePulse Heart Rate
Let your heart be your guide with Charge HR. Monitor heart rate automatically and continuously right on your wrist to accurately track calorie burn, maintain workout intensity, maximize training and optimize health-all without an uncomfortable chest strap.
Workouts + All-Day Activity
Take control of your goals by using Charge HR to record your workouts and track all-day activity like heart rate, steps, distance, calories burned, stairs climbed and active minutes
With an impressive battery life of 5+ days and instant access to every stat, you don't have to look far for motivation to keep moving.
With a comfortable fit and Caller ID, Charge HR lets you stay connected in style
See incoming call notifications on display when your phone is nearby to stay in the know, on the go
Use Exercise Mode to easily record workouts, see real-time exercise stats and have summaries automatically appear on your Fitbit dashboard
Use MobileRun in the Fitbit app to see pace, distance, splits and routes
Auto Sleep + Alarms
Get a better picture of your overall health by using Charge HR to automatically track how long and how well you sleep
Sync your nightly stats to see online graphs that illustrate your sleep trends, and wake peacefully by setting a silent, vibrating alarm
Charge HR automatically and wirelessly syncs your stats to your computer and 120+ leading smartphones, and tracks your progress in detailed charts and graphs that keep you encouraged to reach your fitness goals.
Tracks 7 days of detailed motion data &ndash minute by minute. Plus daily totals for past 30 days
PC and Mac Requirements
Windows: Windows Vista and later
Mac: Mac OS X 10.6 and up