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Voice Enhanced Microphone Audio Ear Listening Device Through Wall/Door Voice Tool

<ul><li>It can be for pipeline side leakage / floor heating detection / physical exploration for water, suitable for various pipeline materials and ground, wall, etc</li><li>High-sensitivity metal probe with earphones makes it more sensitive and sound-qualified</li><li>Compact and complete function, with charging hole, earphone hole and upside switch knob</li><li>Easy to operate, it can get the sound out from the wooden/brick wall, window, door or armor plate</li><li>It has a built-in lithium battery, easy to operate and carry.</li></ul>

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Specification: Condition: Item Type: Ear Listening Device Material: ABS Color: As Pictures Shown Built-in Battery Capacity: 200MAH Size: Approx. 42 x 37mm / 1.7 x 1.5in Length x Diameter Package List: 1 x Ear Listening Device1 x Earphone1 x USB Cable Note: The probe must contact the tube steadily. Please do not move the main unit in parallel during the contact to avoid damage to the instrument.

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