The Smartband is designed to be worn all day and lets you monitor and log your daily routines, from your eating and sleeping habits to calories burned. Review your running/walking stats and incoming calls at a glance without ever breaking stride. To be able to manage your daily goals it is required to download the "Veryfit" app from the ITunes App Store or the Google Play store. The Smartband is available in Black, Blue, Green, Orange, & Red.