[PERFECT GIFT IDEAS FOR KIDS] Designed for children, BIGGERFIVE brand kids fitness trackers encourage kids to build good workout habits and be more healthy by enrouraging them to obtain virtual badges when they reach their excercise goals. Perfect gift ideas for kids' Birthday, Christmas and all other occasions. [WIDE COMPATIBILITY & EASY TO USE] Compatible with most Android 6.0+ and iOS 9.0+ smartphones; Upgraded to a more child-friendly interface, more easy-to-operate watch interface interaction; The family account makes it easier for parents to manage multiple kids trackers. [HEART RATE, SLEEP TRACKING & SILENT ALARM CLOCK] The fitness tracker can automatically monitor your kids' daily real-time heart rate, track how well they sleep at night, and provide data about their sleep trends through the night in the app. The silent alarm clock can wake them up without disturbing others. [ALL-DAY ACTIVITY TRACKING & IP68 SWIMMING WATERPROOF] This 24-hour activity tracker automatically counts your children's steps, distance, and calories burned and activity minutes. It supports 10+ activity modes: Walking, Running, Cycling, Dancing, Basketball, Football, Tennis, Climbing, Workout, and more. It is rated IP68 waterproof so your kids can wear it during water activities and while enjoying pool time. [NEWLY UPGRADED & MORE COMFORTABLE & DURABLE] Newly upgraded liquid silicone strap, softer and more skin-friendly, specially designed for kids ages 5-15, more comfortable to wear;Newly upgraded charging interface, safer and more durable, up to 7 days of battery life with 2 hours of fast charging.