bluetooth listening device

Brand Name:HEWEI

Model Number:HWCW-IV

Place of Origin:CHINA

Stereo Listening Through Wall System HWCW-IV Multi-Function Stereo Listen Through Wall System, which is a polupar amplifier in similar products, which will pick up the slightest sound through solid objects like wall and give listener the clearest audio ...

Brand Name:HEWEI

Place of Origin:CHINA

Wireless Listening System Device 3-5 M Pickup Radius Long Transmission Distance Description 1.This wireless listening system consists of wireless transmitting part and receiving part, the wireless transmitting parts can be perfectly fit with a variety of ...

Brand Name:HEWEI

Place of Origin:CHINA

High Sensitivity Wireless Listening System Device 3-5 M Radius Pickup Clearest Sound Description This wireless listening system consists of wireless transmitting part and receiving part, the wireless transmitting parts can be perfectly fit with a variety...

Brand Name:HEWEI

Model Number:HWCW-IV

Place of Origin:China

... 1, channel 2 separately or simultaneously. ● The threshold frequency,gain of the amplifier and microphone are adjustable Description This multi-function stereo listen through wall device is the most updated one in similar products nowadays, which can

Brand Name:HEWEI

Model Number:HWCW-IV

Place of Origin:China

...Listening Through Wall System In Police Model: HWCW-IV Features ● The gain of the amplifier can be infinitely adjusted. ● People can monitor with channel 1, channel 2 separately or simultaneously. ● The threshold frequency,gain of the amplifier and microphone are adjustable Description This multi-function stereo listen through wall device...

Brand Name:HEWEI

Model Number:HW-SS

Stereo Stethoscope with Two Sensors For Listening Through Wall Introduction: The stereo stethoscope provides the capability to covertly listen through solid structures such as walls, ceilings, windows, doors and floors. The two high sensitivity ...

Brand Name:HEWEI

Model Number:HW-SS

Stereo Stethoscope with Two Sensors For Listening Through Wall Introduction: The stereo stethoscope provides the capability to covertly listen through solid structures such as walls, ceilings,windows, doors and floors. The two high sensitivity ...

Brand Name:HEWEI

Model Number:HEWEI

Place of Origin:Made-in-China

Wireless Listening System One back end can support many front ends Introduction 1.This wireless listening system consists of wireless transmitting part and receiving part, the wireless transmitting parts can be perfectly fit with a variety of electric ...

Brand Name:HEWEI

Model Number:HWCW-IV

Place of Origin:CHINA

Stereo Listening Through Wall System Model:HWCW-IV This Multi-Function Stereo Listen Through Wall System is popular in similar products, it will pick up the slightest sound through solid objects like wall and give listener the clearest audio information...

Brand Name:HEWEI

Model Number:HW-808

Place of Origin:China

...Listening Device Electronic Listening Device Model:HW-808 Description Electronic listening device is a kind of professional listening equipment which uses radio frequency technology to detect the suspicious mechanical displacement device in the target area.Electronic listening device...

Brand Name:HEWEI

Model Number:HW-SS

Stereo Stethoscope with Two Sensors For Listening Through Wall Introduction: The stereo stethoscope provides the capability to covertly listen through solid structures such as walls, ceilings,windows, doors and floors. The two high sensitivity ...

Brand Name:HEWEI

Model Number:HW-SS

Stereo Stethoscope with Two Sensors For Listening Through Wall Introduction: The stereo stethoscope provides the capability to covertly listen through solid structures such as walls, ceilings,windows, doors and floors. The two high sensitivity ...

Brand Name:HEWEI

Model Number:HW-SS

Stereo Stethoscope with Two Sensors For Listening Through Wall Introduction: The stereo stethoscope provides the capability to covertly listen through solid structures such as walls, ceilings,windows, doors and floors. The two high sensitivity ...

Brand Name:HEWEI

Model Number:HWCW-IV

Place of Origin:China

Built-in recording function, High Detection sensitivity, Stereo Listening Through Wall System Model: HWCW-IV Description This is a special amplifier that will pick up the slightest noise through solid objects like a wall, so you can listen to what is ...

Brand Name:HEWEI

Place of Origin:CHINA

Listen Through Wall Device Specification Power of Signal: 1mW Frequency of Swing: @1KHz,6 Db (attenuation) @300Hz,15 Db Channel Attenuation Separation: >...

Brand Name:HEWEI

Model Number:HWCW-V

Place of Origin:China

50HZ~16KHZ Monitoring frequency,Multifunctional Stereo Listening System Model: HWCW-V Description Multifunctional stereo audio system can receive and record analog sound signals (human voice, footsteps, other sounds). Due to the adoption of reflective low-...