It also monitors steps, calories, heart rate and sleep for way less than an Apple Watch or other popular wearables.

red and infrared sensors for blood oxygen (SpO2) monitoring and an ambient light sensor. It has notifications for calls, texts and calendar events, socialization features on Fitbit community ...

Instead of just tracking steps and floors climbed, Fitbits track heart rate, sleep, blood pressure, and more. Modern Fitbits have more features than their predecessors that help you keep track of your ...

But it also tracks blood pressure, a feature absent from both the Fitbit and Apple Watch. If you sit too long, it will remind you to stand up and move around. There are even buttons to control ...