The Garmin VivoFit 4 is a fitness band that learns your activity level and assigns a personalized daily goal. It gets paired with heart rate monitor for fitness activities and displays steps, calories, distance and monitors sleep. The VivoFit 4 follows your progress 24/7 and it can stay on for more than a year without a battery change. It shows steps, calories, distance, intensity minutes and time of day on backlit display.. . This unique band will monitor your rest while on sleep mode. Garmin Connect is another feature which displays your total sleep hours as well as periods of movement and restful sleep via wireless sync using USB ANT Stick. This 24/7 wearable band gets wirelessly connect to your child?s nearby v?vofit jr. 2 or even another v?vofit 4 to kick off an instant timed step competition.. . VivoFit 4:. - Time/Date. - GPS Time Sync. - Automatic Daylight Saving Time. - Alarm Clock. - Timer. - Stopwatch|Sensors:. - Accelerometer|Bluetooth® Smart & ANT+® Connectivity|Weather|Find My Phone Support|Smartphone Compatibility: iPhone®, Android™;|Toe-to-Toe™ Challenges|24/7 Wearable|Water Resistant. .