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
vívofit 4 | Suivi d'activité | Garmin
Garmin vívofit® 4 | Fitness Activity Tracker
Garmin Vivofit 4, First Take: Great battery life, but no heart-rate monitoring | ZDNET