College Style Student Net Red Small Electronic Smart Watch Features Product Name: LED Bracelet Watch Material: Environmental silica gel Weight: about 18g Advantages: multicolor selectable Set simple power saving Functional : LED shows, year, date 12 hour system key Power saving mode: there is no key in 3 seconds, and the screen display is self closing. Data setting: Hold down the screen key, the light will display the, and press again to display the date. Long press does not let go, after a few seconds, the hour is beating, press a screen key to add 1 hours. After adjusting for hours, press the screen key and do not let go. The same method is used to adjust the minutes. After adjusting for a minute, then press long, and adjust the year after a few seconds. Then the same steps and methods are used to adjust the month and day. Contain 1 Pc watch