Vivofit jr. 3 isn't just a fitness tracker for kids. It's an interactive experience where your child's activity unlocks educational globe-trotting app adventures1. This durable fitness tracker is swim friendly - perfect for your kid's around-the-world adventures. No need to pack the charger. This easy-to-replace battery lasts up to 1 year. Your child will be ready for any occasion with a color display and multiple watch face options. Parents can use the app1 to manage chores and give rewards to their little world traveler. What new places will your child explore? Playtime unlocks educational adventures, games and icons. No matter where your kid roams, track steps, sleep and daily activity2.