Female Connecting Member, Male Connecting Member, and Mobile Terminal

A mobile terminal, wherein the mobile terminal comprises a back shell and a female connecting member or a male connecting member, and the female connecting member or the male connecting member is provided in the back shell;

• wherein the female connecting member comprises a first end face, the first end face has a first groove, the first groove is defined by a first side face and a first bottom face encompassed by the first side face, the first side face are provided with N*M contacts, the contacts are arranged in N rows along a depth direction of the first groove, N is an integer greater than or equal to 2, each row comprises M contacts distributed along a circumferential direction of the first side face, and M is an integer greater than or equal to 2;
• and
• wherein the male connecting member comprises a first bottom face, the first bottom face is provided with a first boss, and the first boss comprises first side face and a first top face encompassed by the first side face;
• the first side face is provided with N*M contacts, the contacts are arranged in N rows along a height direction of the first boss, and each row comprises M contacts distributed along a circumferential direction of the first boss.