: Different from the traditional bulky fitness watch, our activity tracker watch does not need to connect to the app and smart watch. It can record steps, calories, distance, sleep data, helping you keep track of your child's exercise without weighing them down. And it does not interfere with children's learning like other smart watches do. It will make a great gift for your child. Key Features: Date/Time/Calorie/Distance/Vibrating Alarm, Stopwatch/USB Charging/LED Light/Waterproof LED Light Unlike traditional analog watches, the digital watch is equipped with lights so your child can easily check the time, even at night. Vibration reminder Remind your child the time by vibration, no need to worry about disturbing others. USB Charging USB charging, convenient and fast, don't worry about the watch power is not enough.