Desktop computer speakers how to connect cell phone playback

First, first of all, to see what kind of audio and cell phone interface, if the audio is a USB interface, then you need an adapter cable, one end of the USB head need to buy a 2.5 and 3.5 microphone conversion plug.

Second, if the audio plug and cell phone interface are 3.5 standard

Third, the two lines plugged in the cell phone headphone interface with the computer interface can be

Fourth, open the cool dog can be used after

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