Garmin vivofit Jr. 2 Disney Frozen 2 Elsa Activity tracker is compatible with Android, Google, and iOS devices and connects via Bluetooth. The watch is water-resistant, and specially designed for kids. The watch accurately monitors activities and also gives the option to parents to keep a check on their kid's functions on this watch. It efficiently tracks activities like swimming, running, and walking. It also gives friendly challenges to children to make them learn and enjoy. The weight of this watch is 0.07 lb. It comes with a 1-year limited warranty. The watch is very stylish and highly durable.