My friend are using this gadgets since from last 3 months and he is really satisfied with this device .
it is really good looking watch, i really like the alarm concept of band and this device really helps you friends to manage your time.
AS we all know new trend start in this trends many gadgets are new one of this is band .
Some features are
calorie counter
great battery
distance traveller
alarm to manage your important time, etc
approx 15 days battery backup which is pretty cool.
So I really recommended this device