The Vivosmart 4 comes with an Black band and a black buckle. The special thing about Vivosmart 4 is it has an energy monitor that tells you when you should be resting and when you should be burning extra energy. This allows you to burn carbs without over exerting yourself making the Vivosmart 4 the perfect asset to your fitness journey.
Connects to your phone
Heart rate monitor
The founders of Fitbit, Eric and James used modern technology to create a device that helps people track their fitness rate through out the day. The Fitbit was made to encourage people to invest in their health and live a healthier lifestyle.