Fitbit Charge 2 Heart Rate + Fitness Wristband, Black Small - Activity

In this review the Fitbit Charge 2 is evaluated as an entry-level wristband for everyday fitness and sleep monitoring; its single biggest reason to buy is the continuous wrist-based heart rate tracking that makes calorie estimates and guided breathing sessions useful without needing a chest strap. The reviewer found it most valuable for users who want simple, always-on heart rate data, step and sleep logging, and basic smart notifications, while those needing rugged durability or advanced GPS-only run tracking should consider alternatives.

Key Features

• PurePulse continuous heart rate: provides automatic wrist-based heart rate so calorie burn and workout intensity are tracked throughout the day without manual input.
• Simplified heart rate zones: helps maximize workouts by showing fat burn, cardio and peak zones to guide intensity during exercise.
• Smart notifications: displays call, text and calendar alerts on the large OLED screen so users stay connected while working out.
• Auto sleep tracking and silent alarm: records how long and how well you sleep and wakes you with a vibrating alarm for less disruption.
• All-day activity tracking: logs steps, distance, calories burned, floors climbed and active minutes to give a fuller picture of daily movement.
• Wireless sync and compatibility: synchronizes stats automatically to computers and over 200 iOS, Android and Windows devices for easy review of trends.

Who It's For

The Charge 2 is best for casual to moderately serious fitness users who want continuous heart rate monitoring without wearing a chest strap and who value integrated sleep tracking and simple guided breathing sessions. It suits walkers, gym-goers and commuters who appreciate basic smart notifications on the wrist.

It is less well suited for users who demand robust durability under heavy use, an integrated GPS antenna for standalone pace and distance (the band uses connected GPS via phone), or those who need advanced sports metrics for competitive training.

Pros & Cons

Pros

• Continuous heart rate tracking makes calorie estimates and heart rate zone feedback more meaningful throughout the day.
• Auto sleep tracking and silent vibrating alarm provide useful sleep insights and gentle wake-ups.
• Large OLED display and notifications keep calls and messages visible during activities.

Cons

• Durability can be an issue for some users, with reports of bands breaking after months of use.
• Relies on connected GPS for real-time pace and distance rather than built-in GPS.

Specifications

Brand	Fitbit
Model	Charge 2 Heart Rate + Fitness Wristband
Color / Size	Black, Small (140 - 170 mm circumference)
Heart rate tracking	PurePulse continuous wrist-based heart rate
Display	Large OLED display with call, text and calendar alerts
Compatibility	Wireless sync to computers and 200+ iOS, Android and Windows devices
Operating range	14 to 113 degree Fahrenheit; max altitude 30,000 ft

Our Verdict

The Fitbit Charge 2 is a solid choice for anyone who wants easy, continuous heart rate monitoring, reliable sleep tracking and straightforward activity logging at a reasonable value. It delivers clear day-to-day insights and simple workout guidance, though those prioritizing ruggedness or onboard GPS should look elsewhere.

Frequently Asked Questions

Does it track sleep automatically?
The Charge 2 automatically tracks sleep duration and quality and provides a silent vibrating alarm to wake you without sound.

Is GPS built in for runs?
The band uses connected GPS via your phone during run mode to show real-time pace and distance on the wrist rather than having built-in GPS.

What is the wrist size for the Small band?
The small size fits a circumference range of approximately 140 - 170 millimeters.