1. Parents need to download and install the "Little Genius Smart Watch" APP on their mobile phones, and register an account to bind their children's watches.

2. Click "Message Center" on the homepage of the APP, and then click the "+"button in the upper right corner to enter the page of adding friends.

3. On the "Add Friends" page, select "Search Genius Number", enter the Genius number you want to add, and then click the "Search" button.

4. Find the correct genius number in the search results, and then click Add Friend.

5. If the other party agrees with the parents' Friend Request, you can see the other party's real-time location, calls, chats and other information in the APP, so that parents can always pay attention to the safety of their children.