I just received my hy929. the instructions are so very vague. not enough as to know what to do. are there more instructions some place else?

Dear friend Hi again Please first charge the device for about 5 hours. when you plug in the charger, the device's red indicator lights up, and when the charging is complete, the red indicator lights out. Normally when you rotate the locator of the device, the device will turn on, and then you can hear the sound,(If it still has no sound,please replace another earphone to try). Please make sure the microphone and earphone plugs are fully plugged into the device. Insert them firmly and make sure the plugs are in good contact. Please note a very important technique to use: When you put the round microphone close to the wall or the door, be sure to keep your hand still. don't move anything, Otherwise it makes noise because the microphone is very sensitive. it needs a highly sensitive microphone to hear what's going on inside the walls,please understand. You just need to keep your hand still and then it can work well Please try again carefully. if have questions,please tell me Thank you very much Deng

hola sirve para escuchar a traves de las paredes?

Hola! Puede oír voces fuera de la pared, con un espesor aproximado de 10 cm. Gracias

Can this be connected to a recording device?

I didn’t get a recording device with mine

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UZIMO Enhanced Edition Ultra Sensitive Listening Through Wall Contact/Probe Microphone Amplifier System

UZIMO Enhanced Edition Ultra Sensitive Listening Through Wall Contact/Probe Microphone Amplifier System

Product ID: 775459060

Details

Brand
NaFurAhi
Compatible Devices
Amplifier
Connectivity Technology
Auxiliary
Connector Type
3.5 mm Jack
Impedance
200 Ohms
Included Components
Amplifier

🎧60 dB SNR for crystal-clear audio

🔍Unidirectional mic for precise sound capture

🛠️Dual probes for versatile leak detection

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$136.34

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Description

🎧 Hear what others won’t—because knowledge is power.

RUGGED READY - Durable ABS and metal construction built to withstand tough job site conditions.
COMPACT PORTABLE - Lightweight design fits in your toolkit for on-the-go professional diagnostics.
DUAL PROBE FLEXIBILITY - Switch effortlessly between round and needle probes to tackle any detection challenge.
PINPOINT PRECISION LISTENING - Unidirectional microphone isolates sound through walls with surgical accuracy.
CRYSTAL CLEAR AUDIO AMPLIFICATION - 60 dB signal-to-noise ratio combined with high-def headphones ensures you never miss a whisper.

The UZIMO Enhanced Edition is a professional-grade contact microphone amplifier system designed for ultra-sensitive listening through walls and pipes. Featuring dual probes, a unidirectional microphone, and high-definition headphones with 60 dB signal-to-noise ratio, it delivers precise audio detection for leak monitoring and surveillance. Built with durable materials and a compact form factor, it’s the go-to tool for construction, auto repair, and building maintenance pros who demand accuracy and reliability.

Specifications

ASIN	B07FLGZ18V
Amazon Bestseller	#779,185 in Electronics ( See Top 100 in Electronics ) #382 in Audio Component Amplifiers
Antenna Location	Speech
Audible Noise	0.17 Decibels
Brand	NaFurAhi
Built-In Media	Amplifier
Compatible Devices	Amplifier
Connectivity Technology	Auxiliary
Connector Type	3.5 mm Jack
Customer Reviews	3.7 3.7 out of 5 stars (620)
Enclosure Material	Plastic
Global Trade Identification Number	00738595112494
Hardware Platform	Smartphone, Tablet
Impedance	200 Ohms
Manufacturer	A-1
Mfr Part Number	d
Microphone Form Factor	Handheld
Model Name	8541737392
Model Number	8541737392
Number of Channels	1
Polar Pattern	Unidirectional
Power Source	Corded Electric
Signal-to-Noise Ratio	60 dB
Special Feature	Clip
UPC	738595112494
Unit Count	1 Count

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