This little bad boy does its job better with longer battery life. Xiaomi mi band 3 fitness tracker tracks heart rate plus sleep tracking as well, equipped with OLED display and is waterproof to a depth of 50 meters. The device comes with latest pedometer algorithm and offers round the clock activity tracking. Bracelet can display caller’s information and the device syncs perfectly with smartphone apps.
Very affordable & accurate
Waterproof till 50m
Easy to use
Fast charging & amazing battery life
Only smartphone compatible