The ECG (electrocardiogram) sensor is designed to detect irregular heartbeats that may indicate an underlying health condition. For starters, the EDA (electrodermal activity) sensor is designed to measure your temperature and stress levels more precisely. If you want to continue accessing this feature after the trial ends, you'll have to buy a monthly or yearly subscription.Īnother big improvement to the Fitbit Charge 5 is the addition of new advanced health sensors.Īnother big improvement to the Fitbit Charge 5 is the addition of new advanced health sensors. Fortunately, users get a 6-month free trial of Fitbit Premium when they purchase the tracker. Keep in mind that this feature requires a Fitbit Premium subscription. Upon accessing the Fitbit app each day, the Daily Readiness experience will offer users a personalized score based on their activity levels, heart rate variability (HRV), and sleep history. This feature will provide users with a better understanding of when it's a good time to focus on rest and recovery and when it's an optimal time to work out. The company says it will be available soon on the Charge 5 and other devices, including the Inspire 2. One new feature that might interest users is the Daily Readiness experience. 3-axis accelerometer, optical heart rate sensor, SpO2, ECG, EDA, ambient light sensorģ-axis accelerometer, optical heart rate sensor

Fitbit charge vs fitbit inspire