The last time we went to a friend’s house we saw an adapter . We were really curious about this. We saw that there were many kinds of adapters in their house. My friends told me a lot about adapter , and I really learned a lot. Under the instructions of friends, we are also very sure of a lot of things, we also saw a lot of adapter on the Internet, so that our home is also because of the existence of adapter convenient a lot of, really there are these things, our lives are a lot of convenience. There are also more types, we have to give what kind of use on the choice of the appropriate model is better, there are really many choices.