A few days ago, when we were at a friend’s house, there was a problem with my friend’s computer. I really learned a lot from it. Know the use of adapter and the principle, and the various advantages of adapter , really occupy a lot of aspects, it can be said that adapter has provided great convenience to our life. People in the family life, really is a lot of aspects of the use of adapter , can solve a lot of problems we can not solve, is really a good product, I now also like her, because adapter really is for our life with the convenience. Adapter is really playing a very important role in today’s high power use.