- 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
- Utilize the sizing tool in Product Details below to ensure proper fit.
Make every beat count with Charge HR—a high-performance wristband with automatic, continuous heart rate and activity tracking right on your wrist. See heart rate all day and during workouts to get more accurate calorie burn, reach your target workout intensity and maximize training time. Track steps, distance, floors climbed and sleep quality and more, and stay connected with Caller ID and time of day on display. Charge HR also wirelessly syncs to your smartphone and computer so you can monitor your trends and get the motivation you need to push yourself further—every step, every beat, every day.
Get Energized. Take charge.
Get motivated to move more with Charge, by tracking all-day activity like steps taken, distance traveled, calories burned, floors climbed and active minutes.
Real progress in real time.
Charge lets you see every stat as it happens- right on your wrist, with a bright OLED display. And, with an industry- leading battery life of 7-10 days, you can find the inspiration to beat your goals- no matter what the week brings.
Ready when life calls.
Built with Caller ID, Charge shows your incoming calls when your phone is nearby to help you take control of your day and your schedule.
Goodnight, sleep right.
Sleep better and live well by using Charge to automatically track your sleep at night, then review your trends on the dashboard. To make mornings easier, set a silent, vibrating alarm and wake more peacefully.
See your progress. Stay on track.
By automatically and wirelessly synching your stats to your computer and 120+ leading smartphones, Charge lets you see your progress on-the go, and shows you detailed charts and graphs so you can track your trends overtime.
- Sync: Bluetooth 4.0 wireless technology allows automatic wireless syncing to over 120 smartphones
- Also syncs to computers and tablets
- Syncing Distance: 20.0' (6.1 m)
- Transceiver: Bluetooth 4.0
- Water Resistance: Water-resistant to 1 ATM
- Memory: Tracks 7 days of motion data - minute by minute
- Tracks daily totals for past 30 days
- Display: OLED
- Materials: Wristband: flexible, durable elastomer material
- Clasp: surgical-grade stainless steel
- Battery Type: Lithium-polymer
- Battery Life: Up to 7 - 10 days
- Charge Time: 1 - 2 hours
- System Requirements: Windows: Windows Vista and later
- Mac: Mac OS X 10.6 and up, Internet connection, USB port
- Operating Temperature: -4 to 113° F (-20 to 45° C)
- Operating Altitude: 30,000' (9,144 m)
- Size: Fits wrists 5.5 - 6.5" (14.0 - 16.5 cm)
- Width of band: 0.8" (2.1 cm)
- Fitbit Charge HR Activity, Heart Rate + Sleep Wristband (Small, Black)
- Charging Cable
- Wireless Sync Dongle