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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🎧 Unlock the unseen conversations around you — because truth deserves to be heard.

COMPACT PORTABLE - Lightweight 249g design fits comfortably in hand for discreet, on-the-go surveillance.
HEAR BEYOND BARRIERS - Amplifies subtle vibrations through wood, steel, and drywall for crystal-clear listening.
TRUSTED BUILD QUALITY - Durable plastic housing with clip feature ensures secure placement and long-lasting use.
PLUG PLAY SIMPLICITY - No batteries needed—just plug in, place the sensor, and start uncovering hidden conversations instantly.
PRECISION VOLUME CONTROL - Fine-tune audio sensitivity with an intuitive dial to catch every whisper without ear fatigue.

The UZIMO Enhanced Edition Ultra Sensitive Listen Through Wall Contact/Probe Microphone Amplifier System is a corded, single-channel audio sensor designed to detect and amplify sound vibrations through walls, ceilings, and floors. Featuring a 60 dB signal-to-noise ratio and adjustable volume dial, it enables discreet listening in various environments without requiring batteries. Lightweight and portable, it’s ideal for professionals seeking reliable, high-sensitivity audio surveillance.

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Power Source	Corded Electric
Material	Plastic
Signal-to-Noise Ratio	60 dB
Number of Channels	1
Global Trade Identification Number	00738595112494
Manufacturer	A-1
UPC	738595112494
Batteries Included	No
Batteries Required	No
Item Model Number	8541737392
Special Features	Clip
Package Dimensions	16.79 x 10.59 x 3.51 cm; 249 g

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

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