Product Review

Features:
1.Connector A：3.5mm 4 Pole Female
2.Connector B : 4 x Screw Terminal Female
3. 3.5mm 1/8 Inch Stereo Balanced Female Jack to AV Screw Video Balun Terminal
4.This connector is most often used in smartphones ， cellphones to provide stereo audio and one mic channel.

Tips:
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