Includes pebble health a built in activity and sleep tracker full suite of pebble features including timeline calendar alerts also includes notifications and silent alarms splash resistant so you can live your life like normal the world39s lightest and thinnest smart watch this is a smart watch all the easy to use time saving features that pebble pioneered to define the smart watch category now available in a design thatrsquos lighter and thinner than any other smart watch its battery lasts