The world's lightest and thinnest smartwatch. Probably the most comfortable too.;Includes Pebble Health, a built-in activity and sleep tracker with daily reports and weekly insights;Full suite of Pebble features, including timeline calendar alerts, notifications, and silent alarms;Splash resistant so you can live your life like normal;Battery provides power for up to 2 days, and recharges fast: add a day of power in just 15 minutes; Quick-change bands and downloadable watch faces and apps for easy personalization