ADHF-027--Microphone--No microphone for HF027

Common headphones are three sections, basically there is no MIC.

Phones comes with the smartphone has four sections, it can be used to answer the phone.

But when it is used with TV, the volume output will be very low or even no sound.

This product is for TV and PC user from long distance, allow you to enjoy TV and movies when sitting on the sofa or chair.

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