J-GUANG mini din and pcb jack apply to all kinds of audio and video interface. They connect wire and board. Normally speaking, their pin number begin from 4pin to 8pin.  USB and mini USB also connect wire to board. It has three connection way: straight, right angle and smt type. According to different customers’ requirement, we also have copper cover and iron cover to choose.  Products are designed in accordance with CE, ROHS, REACH standard.