Complex sentence: The robot has two motors, a battery and built-in 4G and WiFi, so that it can be used anywhere.The robot is controlled by a phone or a tablet using a mobile app for iOS and Android.
Split into simpler sentences: The robot has two motors, a battery and built-in 4G and WiFi, so it can be used anywhere. Everything is controlled from a phone or a tablet using a mobile app for iOS and Android.