Support: Pairing a vívofit® 4 with the Garmin Connect™ App (Apple®) - YouTube
Garmin vivofit 4 Activity Tracker - Black (Large) for sale online | eBay
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