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Eavesdropper in an extension cord

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18.500 rsd

The extension cord is a powerful spy device of unlimited range. Inside it, there is a spy wire eyeball with a SIM card. This means that the device will work wherever there is coverage of the GSM network. It enables real-time eavesdropping and is activated as soon as it registers sound in a supervised area if it is set to do so. The device can be activated or stopped by calling or sending an SMS message to the card number contained therein.

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The eavesdropper embedded in the extension cord allows audio surveillance of any residential or commercial space it is placed in. It can operate continuously as it is powered directly by electricity. Additionally, it has a built-in rechargeable lithium battery with a capacity of up to 3 days in standby mode.

This eavesdropper device looks and functions like any other extension cord. It can be used to power various devices, and when activated, it becomes a perfect spy device. Its operation principle is the same as other GSM eavesdroppers. Under the cover of the extension cord, there is a spy bug with a SIM card slot for device activation.

The eavesdropper in an extension cord is compatible with all mobile networks and has unlimited range. It can be activated by making a call or sending an SMS to the SIM card inserted in the device. It also has voice activation, which means it starts working when it detects sound in the room.

An important feature of this spy device is its surge protection, which prevents it from burning out or being disconnected from the network. Even in case of a power outage or high voltage, the device continues to function. The SIM card does not need to be removed and reinserted, as is the case with similar devices.

How to use the eavesdropper in an extension cord and its features

Thanks to the constant power supply, the targeted area can be continuously monitored without the need to recharge the battery. In case of a power outage, the audio surveillance of the area continues uninterrupted, as the device has its own battery that can last for several days, depending on the operating mode.

With the spying device in the extension cord, you can monitor an area of up to 100 square meters. The sound is crystal clear and clean, thanks to the enhanced microphone and noise reduction filters. Additionally, this device functions as a fully functional and high-quality extension cord that can be used without any issues. It has a small fuse that protects it from burning out, making it an extremely reliable spying device.

To enable the eavesdropper, you first need to insert a SIM card into it. When you remove the cover or plastic mask of the extension cord, you will see the slot where the mobile phone card should be inserted. Then, place the cord in the room you want to monitor, and that’s it.

The eavesdropper device inside the extension cord is a typical extension cord with 6 outlets and a 3-meter cable. It is a high-quality extension cord that functions normally and without interruption when used for surveillance purposes.

Its activation is silent, without sound, light, or vibration. Therefore, no one can notice its additional function. To activate it, you need to send an SMS with specific content to the number of the card inserted in the device or call the number. After that, you can listen to everything that happens in the monitored area.

The device also has a voice activation option, which means it starts working as soon as it detects sounds or voices in the room. The user receives a call from the SIM card inserted in the device and can listen to everything that is happening. This option can be disabled by sending a specific content SMS as a response.

In which situations can the listening device in the extension cord be used?

The listening device in the extension cord is ideal for monitoring business premises such as offices, shops, warehouses, workshops, and kiosks. It allows you to find out everything that is currently happening at work when you are not there. Moreover, this hidden spy device helps you gain a real insight into the situation at work, the atmosphere among colleagues, their intentions, work ethics, and their relationship with the company and you as the owners.

The audio spy device in the extension cord can be placed in conference rooms and other rooms for business negotiations. This way, you can listen live to how your employees, partners, and trusted individuals negotiate and whether they conduct business in your favor or not.

By eavesdropping, many unclear situations can be resolved, both at work and at home. So, if you suspect that your spouse is hiding something, don’t know what your children do when they are home alone or have noticed that the hired help is not putting in enough effort, this is an excellent way to resolve these dilemmas.

The sound quality is top-notch, thanks to the enhanced microphone and built-in filter for eliminating background noise. This means that the user can even hear the quietest conversations in the monitored area.

Call or visit us, and we will explain in detail how the eavesdropper in the extension cord works and discuss together other options of spy equipment that may be useful to you.

  • Some technical details in the ‘Description’ section may vary depending on the device model. For the exact specifications of a specific model, please refer to the ‘Specification’ section.





Voice activation Yes
Superior sensitivity Yes
Real-time listening Yes
Max listening area 15m²
Soundless device Yes
Unlimited listening range Yes
Impossibility to interfere in the relationship Yes

Power supply

Battery type LiPo
Integrated battery Yes


Type SIm card SIM
Operating frequency 2G, 3G


Sensitivity 60dB

Physical characteristics

Device material ABS plastic
Device color White
Frequency range of the microphone 20 Hz to 20.000 Hz
Multi-function control button 6
Port type EURO type F

Weight and dimensions

Weight 612g
Width 315mm
Depth 57mm
Height 40mm

Packet Includes

  • Instructions for use
    It serves to guide you and adequately use all the functions of the device. In the manual, you can find detailed steps on how to operate the device in the easiest way.

How to use

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Can this device be voice-activated?

This extension cord eavesdropper can be voice-activated — in fact, if it detects any type of sound in the room, it will dial the phone number you have provided.

Can the eavesdropper work as an extension cord, as well?

Apart from being able to eavesdrop, this device can work as an extension cord, too. It comes in white, and it has 6 perfectly functional sockets. The cable length is 3 meters.

How clear is the sound it records?

Thanks to the strong microphone and noise-canceling filters, the sound is crystal clear.


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Eavesdropper in an extension cord

18.500 rsd