how to set and use this alarm Clock

First , you need a mobile phone charger, the clock can be powered by the type-c charging cable or computer usb socket.
then configure wifi(the clock is NTP Clock,so it need connect your wifi).
phone – settings – wifi
Find the wifi hotspot “AutoconnectAP”, which is generated by the clock itself
To enter this AP, a password may be required, and the password is “password”
Then select the wifi of your home, enter the password of your home wifi, and click save
Wait a while, it may take 30 seconds, until the page disappears, then the oled screen of the clock will show the assigned ip address
Use this address, enter the address in the browser, you can set the clock(The vedio below is another type clock,but it is the same way to set the clock)

Vedio