Product brief information:1. High Performance Patent Dual Balanced Armature    Receiver2. High resolution 3. Magnetic radiation sheilded 4. Tiny Features:  1. High output, Low energy consumin
Description:Balance Armature Earphone1, High class metal earphone2, Single, double or multi-drivers3, OEM is acceptedHigh Class Metal Single Double Balance Armature Earphone1, Can be used for iPo
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