WiFi is the primary communications method for tablets, and it is how the connect to the internet. Other methods, such as Bluetooth, are not used for this. WiFi is essential for any tablet.
The Dragon Touch X10 Kids naturally comes with WiFi, 802.11b/g/n, although it doesn’t support 5G. WiFi is essential for connecting to the internet, so has to be used for downloading content and watching streaming videos and films. Once content is on the tablet, WiFi is less essential, and such as apps, games and ebooks will mostly be usable without an internet connection.