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
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Garmin 2-Pack Accessory Bands for vivofit 4 010-12640-00 B&H
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Amazon.com: GARMIN - Activity Bangle GARMIN Vivofit 4 Bluetooth Waterproof Black (l) : Sports & Outdoors