Spy Earpiece GSM ID Pen & Mini Hidden Earphone Wireless Headset microphone

Distance between GSM phone and earpiece:20-50cm. --Pen weight:G.W 55g,N.W 25g;Earpiece:G.W 5.8g,N.W0.8G. This item only GSM Pen transmitter. One GSM Pen transmitter supports multiple earpieces. You may using two earpieces with one pen to get better listening effects.

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