A mobile phone is a voice communication device that is not permanently attached to a telephone network by a physical connection. It uses radio signals to connect to another device to provide the connection to a telephone network. Various radio protocols are used such as DECT, WI-FI, Bluetooth, GSM, GPS, etc.
you can choose what you want to eat because if you buy other fresh produce and don't make what you wanted to eat in the first place then you would eat money and your time preparing the meal in the first place