High Strength Wall Microphone Voice Listen Detecotor

Features:


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

Specifications:

colour:Black + Silver
Material:metal

Package Contents:


1* Detecotor
1* USB Cable
1* Circular probe
1* Needle probe
1* Headphone
1 * use Manual

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.