Patent ID: 8152569

Claim:
An electrical plug compatible to version 2. 0 Universal Serial Bus (USB) standard, comprising: a mating portion having a first mating section and a second mating section disposed along a first direction, the first mating section defining a contact-deformation slot, the second mating section comprising an exposed end surface; a first set of contacts located side by side along a second direction perpendicular to the first direction, the first set of contacts each comprising an elastic contact portion deformable in the contact-deformation slot; and a second set of contacts located side by side along a third direction parallel to the second direction, the second set of contacts being compatible to the version 2.0 USB standard and each having a stiff contact portion on the second mating section; wherein the stiff contact portions and the elastic contact portions are located on a same side of the mating portion in condition that the elastic contact portions are spaced a distance from the stiff contact portions along the first direction; and wherein the stiff contact portions are located nearer to the end surface than the elastic contact portions along the first direction.