Support: Pairing a vívofit® 4 with the Garmin Connect™ App (Android™) - YouTube
Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors
Garmin Vivofit Jr. 3 review: Makes fitness fun, but chores a chore | Android Central