Kids Sport Watch: Our kids fitness tracker watch does not require connection to a phone or app and is easy to set up. It features step counting, stopwatch, calorie tracking, and mileage tracking to record children's activity data. Powerful Battery Life: This digital watch for kids has a USB charging interface. It can be charged using any standard USB adapter, computer, or portable charger. Battery life lasts approximately 15 days on a full charge. Silent Vibrating Alarm: Parents can set two vibration alarms to help remind children about study and rest times. The silent vibration function works discreetly in classrooms or dormitories without disturbing others, making it ideal for students. Reliable Quality: This lightweight kids watch is soft and comfortable on the skin. The design is fun and appealing for children. The band has multiple adjustable holes and is flexible enough to fit small wrists securely. Waterproof Resistant: This boys' digital watch is 5 ATM water-resistant, suitable for hand washing, face washing, and rainy conditions. It is not intended for swimming, hot baths, or saunas.