Yes, generally speaking, the interface of the charger is different from that of the mobile phone charging interface. Now most chargers are USB interfaces, and most mobile phones are Micro USB, Mini USB and Type-C interfaces, of which micro USB and mini USB can not be inserted blindly, and Type-C can be. Type-C is almost all new mobile phones released around 2016, because the positive and negative blind plug is convenient, and the charging speed is fast