This automatic assembly line can be used for the production and assembly of headsets or charger. The production line adopts equipment modular combination, which has wide universality and can be flexibly adjusted. When changing the model, it can be changed quickly by changing the product fixture. It can be customized for key assembly, light guide column assembly, thermal melting, PCB sub board, PCB small board assembly, magnet assembly, pasting Mi net foam double-sided adhesive, FPC installation, dispensing and pressure maintaining, glue path detection, battery assembly, laser welding, shell assembly, function detection, etc