Hi,my dear angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. 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 time, year, date 12 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, 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 College Style Student Net Red Small Electronic Smart Watch Features： Product Name: LED Bracelet Watch Material: Environmental silica gel Weight: about 18g