Description<br /> <br />Introduction:<br />Listening through walls.<br />-Special pull back vechicle with secret listening device.<br />-easy to listen all the action.<br />-High sense metal probe.<br />-Coming with earphone .<br />-small as a jelly<br />-complete function:charge hole・earphone hole and switch knob upside<br />-easy operate・cling to the door・window or wall<br />-Able to get the sound out from the wooden/brick wall・ windows or door or armor plate<br />-High sensitivity detector<br /><br />Package Included:<br />1*Ear Listen Through Wall<br />1*Earphone<br />1*USB cable