DIY HY929 High Strength Wall Microphone Voice Listen Detecto

Detailed Information About The Product:

Work on wooden walls, doors, windows, steel plates, etc.
Highly sensitive, please adjust the audio slowly and carefully to avoid discomfort to your earbuds.
The audio gadget works by amplifying the vibration of audio. When people chat in the room, their voice is only a band, and according to the size of the voice they speak, the band will travel through short and long distances and be amplified and amplified by this device.

Colour: Black
material: metal

Package Contents:
1 x Detector
1 x USB Cable
1 x Circular probe
1 x nee dle probe
1 x Headphone
1 x Chinese and English manual

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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