Portable electronic device

A portable electronic device, comprising:

• a first main body,
• an earphone comprising a second main body separated away from and movable independent of the first main body,
• an audio processor and a camera module, the audio processor and the camera module being mounted in the first main body,
• a first input-output port disposed on the first main body and coupled with the audio processor and the camera module;
• and
• a second input-output port coupled to the second main body;
• wherein the earphone further comprises an input keypad mounted in the second main body and operable to input control signals of the camera module, the second input-output port connects to the first input-output port to facilitate audio signal transmissions between the audio processor and the earphone and to output the control signals from the earphone to the camera module to control the camera module;
• wherein the earphone is detachably attached to the first input-output port via the second input-output port;
• wherein the earphone further comprises a signal wire, and the signal wire connects the second main body to the second input-output port;
• wherein the signal wire comprises a first signal wire, a second signal wire, and a third signal wire;
• and the second input-output port is a plug comprising a first pin coupled to the first signal wire, a second pin coupled to the second signal wire, and a third pin coupled to the third signal wire;
• wherein the input keypad comprises a first button and a second button, the first button is configured for connecting the second signal wire to the third signal wire, and the second button is configured for connecting the first signal wire to the third signal wire.