The Garmin VivoFit 4 is a fitness band that learns your activity level and assigns a personalized daily goal.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 nearby vivofit jr. 2 or even another vivofit 4 to kick off an instant timed step competition. VivoFit 4 Features: Fitness Band Long Battery Life Upto 1+ Year Move IQ- Automatic Activity Detection Move Bar Audible Inactivity Indicators Sleep Monitor- Monitors Total Sleep Periods of Movement or Restful Sleep Personalized Daily Goals Display Size: 11 x 11 mm Display Resolution: 88 x 88 Pixels TrueUp Displays:- Steps Taken - Calories Burned - Intensity Minutes - Distance Traveled Garmin Connect Compatible Auto Goal - Learns Your Activity Level Assigns A Daily Step Goal - Saves, Plans & Shares Progress By Wireless USB ANT Stick Clock Features: - Time/Date - GPS Time Sync - Automatic Daylight Saving Time - Alarm Clock - Timer Sensors:Accelerometer Bluetooth Smart ANT+ Connectivity Weather Find My Phone Support Smartphone Compatibility: iPhone, Android; Toe-to-Toe Challenges 24/7 Wearable Water Resistant