v?vofit jr. 2 isn’t just a fitness tracker for kids. It’s an interactive experience where activity unlocks adventure. The swim friendly band features more than a year of battery life no recharging necessary. With v?vofit jr. 2, kids can uncover Disney Frozen 2 adventures and games on the parent controlled app by completing 60 minutes of daily activity. While kids discover their adventures with Anna and Elsa, parents can use the app to monitor activity, manage and assign chores and even give rewards to positively enforce good behavior..