Patent ID: 8430690

Claim:
A USB application device capable of fitting into a female connecting socket, wherein the female connecting socket comprises a plurality of connecting pins, and the USB application device comprises: a body; a circuit board, disposed within the body; a plurality of first electrical pins, a first end of each of the first electrical pins connecting with the circuit board, passing over a first surface of the circuit board and stereoscopically extending toward a top of the body, and thus each of the first electrical pins partly exposed by the body and contacting with each of the connecting pins of the female connecting socket, wherein a space is formed between each of the first electrical pins and the circuit board and another space is formed between the circuit board and the body; and a plurality of electrical elements, disposed to the first surface of the circuit board; wherein each of the first electrical pins comprises a first fixing segment, a second fixing segment, a first extending segment, a second extending segment, and a contacting segment, the first fixing segment is the first end of each of the first electrical pins, the second fixing segment is a second end of each of the first electrical pins, the first extending segment and the second extending segment are located between the first surface of the circuit board and the body, a first surface of the contacting segment is exposed by the body, the first surface of the contacting segment is used for contacting with the connecting pins, a bending structure is formed between the first extending segment and the contacting segment, and another bending structure is formed between the second extending segment and the contacting segment.