Sudden disfunction of bluetooth headphones with speaker malfunction?

I have a sudden dysfunction with two of my bluetooth headphone. One is Motorola HS-850 and the other is SonyEricsson HBH-35. The same problem happens to both headphones where the mic lost its function suddenly. When I use the bluetooth headphone with my Moto V600 cellphone, I can hear the voice of the people I'm calling but they can't hear me. The dysfunction happens to both headphone at different time but very suddenly. There is not physical damage to any of the headphone. Does anybody have a clue about this problem? How can I fix it? Thanks for your help

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  • 1 decade ago
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    My dad had that SAME problem. Call 611. And explain that 2 them.

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