Garmin Vivosmart 4 Review : A band for measuring daily energy

Supports Android and iOS
Display: Single-color OLED display with 128×48 pixels resolution
Battery life: up to 7 days
Weight: 16.5 g (with small strap) and 17.1 g (with big strap)
Water resistance: up to 50m
Sensors: heart rate, altimeter, accelerometer, photometer, and blood oxygen saturation sensor
Price: 

shop and buy details

This health gadget tracks all usual exercise activities, but one of the most important features of this model is its ability to measure body energy, which Garmin named it as “Body Battery.” This feature helps you optimize your daily activities based on your energy level. It should also be noted that Garmin Vivosmart 4 does not support GPS and the strap is not replaceable. Many users complain about the small display which is difficult to work with. If you are looking for a smart band to track your health with great details, Vivosmart 4 can be one your choices.

Pros:
Light weight
Tracking the energy level of the body
24h stress tracking
Exact tracking of the sport activities
Cons:
Difficult to use screen
Single-color display
Non-replaceable strap