Listen Through Wall Microphone Audio Ear Listening Sound Water Oil Leakage Hearing Portable Detector High Strength Voice Bug Eavesdropping Spy Device Sound Amplifier

Simple and powerful to adjust through a handheld listening device, this audio gadget allows you to hear conversations with other obstacles through the switch. Therefore, its working principle is very simple, plug in the earphones, and then put the audio collector on top and listen to what is said When someone is talking in the room, their voice is just a waveband. According to the volume of the call, the waveband can move short and long distances. These wavebands are picked up and amplified by this device. The sensors on the audio gadgets sense the vibrations inside, the floor and the floor, and amplify them so that you can hear the words. The dial on the back of this cool audio gadget adjusts the volume and increases sensor amplification

Item Type: Through Wall Microphone
Material: Plastic, Electronic Components
Product Size: Approx. 61 x 3.5mm / 2.4 x 0.1in
Current Consumption: 10mA
Battery: 200mAh Lithium Battery (Included)
Operating Temperature: -20℃-50℃
Applicable: Cement Wall, Steel Wall, Wooden Wall, Iron Wall, Glass Wall, Hollow Bricks, etc. And Various Piping Materials and Floors, Wall, etc.
Monitoring Method: Earphone, External Speakers Can Be Connected

How to Use:
Use after charging

Package List:
1 x Through Wall Microphone
1 x Earphone
1 x Data Cable