Spy Gadget Listen Through Walls Monitor Hearing Aid

This simple and powerful professional listening device can help you hear conversations through walls and other barriers. Strong penetrability and high sensitive let you hear the sound from the next room fully. This audio gadget works by amplifying the vibrations of audio. When people are talking in a room their voices are simply a waveband, and depending on how loud they are talking, the waveband travels short and long distances which are picked up and amplified by this device. The sensor on this audio gadget senses the vibrations hitting the walls, ceiling and floor and amplifies them so that you can listen to what being said. If the waveband is low, meaning people talking in a lower note, then you can use the dial located at the back of this cool audio gadget to adjust the volume and increase the sensors amplification.

Function:A partition which can help you hear conversations through walls and other barriers

Main features:
- Strong penetrability and high sensitive,let you hear the sound from the next room fully
- Signal receiving by sonde only
- With a little black box,easy to be collect
- With build-in rechargeable li-battery
Apply to:
- Business monitor
- Intelligence forensics
On-board Buttons/Slots:
- 3.5mm Earphone Jack
- ON/OFF Switch Button with volume Dial
- The charger USB hole
Operation:
- the end of the sonde must be closed to wall
- turn on the device,and adjust the volume and the Shift still hear the voice most clearly
Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear-buds
Battery type: 3.7V lithium-battery
Penetrability: Cement wall, Steel wall, wooden wall, iron wall, glass and air brick
Listening Devices: Headphones
Materials: Metal case with Internal Sound Amplifier
After Sales Service: 1 Year Warranty

Primary Function: Audio Spy Listening Device
Materials: Molded Plastic with Internal Sound Amplifier
Color: Silver
Onboard Buttons/Slots:
- 3.5mm Earphone Jack
- USB IN
- Sensor
- ON/OFF Switch Button with volume Dial
Power: Built In Rechargeable Battery
Dimensions: L:43 x Diameter:36 (mm)

Product Notes:
Works on walls, doors, windows, steel plates, etc.
Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear-buds


Package included:
1 * Spy Listening Device
1 * Earphones
1 * USB Cable
1 * Power Charger (110-220v)
1 * Instruction Manual - English


International Shipping 15-25 Business Days