One of the most imitated smartbands, often with poor results, is certainly the Amazfit A1603. Built for fitness, it allows you to track calories burned, heart rate and more.
This smart wearable is designed to help us live healthier, allowing us to always keep track of the progress made during the day. It will be possible to keep track of steps, calories and hours of sleep and set various "goals" to be completed to keep us fit. The smart part will allow you to receive notifications from various apps such as facebook, whatsapp and twitter. Strictly waterproof, this smartband is able to accompany us for 15 days without being recharged.