The conversation between human and AI assistant.
What is the technology behind the green pulsing light on the Fitbit wrist band?
That's good to know. How accurate is the heart rate monitor on the Fitbit?
The accuracy of the optical heart rate monitor can vary depending on factors such as the fit of the device and fluctuations in blood flow. However, in general, Fitbit heart rate monitors are considered to be fairly accurate for measuring resting heart rate and moderate activity.