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Garmin vívofit 4: 1+ year battery life, always-on color display, swim proof
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 Vivosmart 4: The First Few Days Hands-on (with SpO2 & Body Battery) - YouTube
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Garmin vívofit® 4 | Fitness Activity Tracker
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Garmin introduces $80 Vivofit 4 with one-year battery life and color display | ZDNet
Garmin vivofit 4 activity tracker features always-on color display, over 1 year battery life - GSMArena.com news