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Plug 1 Selection and the corresponding mobile phone， mobile phoneinterface insert， and wear earplugs;

2 channel detection: mobile phone to play music， contact plug pinrespectively with red and blue lines， when the earphone voice came， theneedle is fixed; if not found

A channel， please find the trigger pin and then according to the steps.

The 3 trigger pin detection: if you can't find channel in the above tests， orfind out the channel after the mobile phone does not show the headsethints，

Wire (black) other pin female terminal to touch the plug， when the sound disappears into the line.

The 4 microphone pin detection: dial a toll free telephone number (such as 10086)， with the green line connector to touch

There is no use pin， and met in pin position stop 2-3 seconds， according toyour headset

The answer key， when the mobile phone display "call over" and hang up，this pin location

As a pin， insert the line can be.

5 close the lid after the earphone can be normal use.