LED Digital Display Bracelet Watch Children's Students Silica Gel Sports Watch Features Product Name: LED Bracelet Watch Material: Environmental silica gel Weight: about 23g Advantages: multicolor selectable Set power saving Functional overview: LED shows time, year, date12 hour system Single key operation Power saving mode: there is no key operation in 3 seconds, and the screen display is self closing. Data setting: Hold down the screen key, the light will display the time, and press again to display the date. Long press does not let go, a few seconds, the hour is beating, press a screen key to add 1 hours. adjusting for hours, press the screen key and do not let go. The same is used to adjust the minutes. adjusting for a minute, then press long, and adjust the year a few seconds. Then the same steps and are used to adjust the month and day. Contain1 Pc watch