Black Spy Ear Amplifier Bug Wall Listening Device Audio Listening Wiretap Device Black by JM
Works on wooden walls, doors, windows, steel plates, etc. Materials: Molded Plastic with Internal Sound Amplifier Power: Built In Rechargeable Battery Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear-buds Dimensions: L:43 x Diameter:36 (mm)