Replacing the batteries in a Garmin Vivofit 4 - YouTube
My 2nd Vivofit 4 has just failed due to moisture ingress. - vivofit 4 - Health & Wellness - Garmin Forums
Amazon.com: Compatible for Garmin Vivofit 4 Band, Newest Silicone Replacement WatchBand Strap Band Wristband for Garmin Vivofit 4(No Tracker (3Pcs,004, Large) : Electronics
Garmin's Vivosmart 4 combines pulse-ox and a week of battery life for $129 | Ars Technica
Hands-on: Garmin Vivosmart 4, now with Pulse Ox and Body Battery | DC Rainmaker
Hands-on: Garmin Vivosmart 4, now with Pulse Ox and Body Battery | DC Rainmaker
vívofit Owner's Manual - Replacing the vívofit Device Batteries
Amazon.com: Garmin vivofit jr. 3, Fitness Tracker for Kids, Includes Interactive App Experience, Swim-Friendly, Up To 1-year Battery Life, Digi Camo : Sports & Outdoors
How to Change Garmin Vivofit 4 Battery (and Hack Capacity to Make Longer-Lasting)! - YouTube
Garmin vívofit® 4 | Fitness Activity Tracker
Garmin Vivofit 4 review: A fitness tracker you'll never need to charge | Tom's Guide
Garmin Vivofit 4, First Take: Great battery life, but no heart-rate monitoring | ZDNET