How to choose a laptop power adapter
When choosing a laptop power adapter, You should pay attention to several aspects: 1. first, the type of socket, the model corresponding to the laptop; 2. then the voltage, the adapter voltage must...
American customers in my eyes
American customers in my eyes 1. Diet and Etiquette When almost every American client chatted with me, they would say with an American-style proud expression: "Everything in the US is big." When I...
The Real "long-distance" Wireless Charging Technology is Here!
Last year, Apple announced support for wireless charging in its new generation of iPhones (8, 8 plus, and X). The first reaction of many netizens is to cheer that they can finally get rid of the...
The Core Wireless
We often see that the colors of the three wires in the three-core plug wire are different. So what are the functions of the three wires? For three core wires: L pole:It is connected to the live wire...