Sony A7M4 is a Quan Huafu mirrorless camera introduced by Sony, which has powerful performance and excellent image quality. From top to bottom, there are microphone interface, earphone monitoring interface, USBG charging/transmitting interface and Multi/MicroUSB interface on the left side of the fuselage, and the full-size HDMI interface on the far left side. These interfaces can meet various needs of users when shooting video or audio, such as external microphone or earphone for recording and monitoring, or USB interface for data transmission and charging.