Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors - Amazon.com
Amazon.com: QGHXO Band for Garmin Vivofit 4, Soft Silicone Replacement Watch Band Strap for Garmin Vivofit 4 Activity Tracker, Small, Large, Ten Colors (10PCS Bands, Small) : Electronics