The adapter I use now is bought several years ago, many friends asked me where I bought it and how long it will last. I said that a friend came back from abroad to bring it for me at that time. In fact, I don’t know much about adapter and other things, so my friend bought it for me and then went to my home to help me debug it. OK, I haven’t moved to normal use until now. Colleagues are eager to buy the adapter we use now. So let me ask my friends if they can buy it now. I asked my friends if they could. She said that the products they produce are also the welfare of the company. It is very difficult for them to buy them on the market at ordinary times.