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Dual Throat Microphone For Cellular Phone
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* Background noise free and top voice quality * Soft silicon earphone * Wrinkles neck ring against sweat * Patented voice vibration conduction technology makes voice undistorted forever * Made in original factory which is patented * For Motorola. Nokia. SonyEricsson And More * Patent no : U.S.A--------5,778,079 Germany----299 21 758.2 Japan-------3080779 Taiwan------126162 China--------ZL 99 2 55606.6 CE-----------E99179
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