Official standard configuration: Official standard configuration is the original factory official out of the standard configuration. For example, mobile phones, the official standard is a mobile phone, a battery, a direct charge. Need a charger, spare battery, headphones (some headphones are standard) need to spend additional money, that is, other packages. Generally speaking, the official standard configuration is the most basic configuration. ; Package: In addition to these, you also need to buy some accessories. It refers to the shopkeeper in order to increase business on the basis of the original configuration to add some other configuration related to mobile phones, such as charging bank, mobile phone film and so on.