Fitness watches for kids-- intelligent voice function gives you immediate to your kids. Waterproof-- record your steps everday, you a healthy life. Fitness watch-- daily waterproof is convenient for you to use in life. you can wear to wash your hands. Kids bracelets-- lcd display, touch control, help you easy to operate. -- the silicone replacement band is easy to install and remove. it is to wear. Regarding the LED adjustment time: Display: Lightly press once to display the time, then press to display the date, and then press to display the second; Adjustment: Long press for a few seconds, the light will flash, then press to increase the hour. After adjusting the hour, long press for a few seconds, and then lightly press to increase the minute. Use this method to adjust the hour, minute, year, month, and day in order.