мин аудионаблюдение, устройство наблюдения Аудио, л

min audio surveillance,Audio Surveillance device,Listening bug The device body is black and small as a jelly. There are charge hole,earphone hole and switch knob upside, while the buttom is the part of picking up sound(it should cling to the door,window or wall) 1.Able to get the sound out from the wooden/brick wall, windows or door or armor plate 2.High sensitivity detector 3.earphone and REC out hole make it can be connected to the recorder for recording