Description
This is small black box listening device that can transmit anywhere in the world via GSM. Operated over cellular telephone networks, simply insert an active SIM card and you are ready to go. Allowing you listen to the sounds and conversations in the surroundings you have deployed the mini black box.
With it being a small size at  45 (H) x 30 (W) x 15 (D) mm making it easier to hide the device in a car office home allowing to listen remotely from other side of the world. By simply calling the associated number in the black box.
4G is the fourth generation of mobile network technology, offering much faster internet speeds and more reliable connections than previous generations (like 2G and 3G). It’s not tied to GSM specifically, as 4G can be implemented using different technologies like LTE (Long Term Evolution) or WiMAX.
Audio quality :
Approx range 20-25 feet of microphone.
Microphone :
Highly sensitive microphone concealed inside
Battery/charging :
Power – internal rechargeable battery, Standby time approx. 7 days
Sim Changing For using Different countries :
If one wishes to use the GSM Mini Black Box in a different country, Yes you simply open the casing of the black box and remove existing sim card. And replace with the one in your country.
Features :
• Small in size making it easier to conceal
• High quality microphone up to Approx 20-25 feet
• 4G Technology
• 5-7 Days Standby
• 4 Hours listening
• No Sounds And lights when the device is on
• Good for use on a Person Room Car
• ON/OFF Switch inside the device
• No Technical background needed
• USB Charging (Supplied with the Charger)
• Made in the UK
If one needs to deploy a listening device in a car this ideal, its small battery operated and if one would like hear conversation of someone live the person carry the black box with him in the meeting. Allowing you to listen to that conversation live.
Specification :
• Dimensions – 45 x 30 x 15
• 20-25feet pick up
• Charges with USB Adapter supplied
• Rechargeable battery
•Use internal/external
• Home/Office/car on a person
• No lights moving electronic parts
• ON/Off Switch inside the box
• Works ON 2G/3G
Contents :
• GSM Mini Black Box
• USB Charging Cable
• Sim Card
• User Manual
Item Details
Mini Black Box GSM Listening Device
Global Audio Surveillance with Remote Listening Capability:
The Mini Black Box GSM Listening Device is a powerful yet discreet surveillance tool that allows you to listen to live conversations from anywhere in the world. Using cellular network technology, simply insert an active SIM card, place the device in your chosen location, and call the associated number to start listening. Whether you need to monitor a car, office, home, or even a person, this compact device provides a reliable and effective solution.
Compact & Easy to Hide:
With ultra-compact dimensions of just 45mm (H) x 30mm (W) x 15mm (D), this listening device is easy to conceal in almost any environment. Its small size makes it ideal for placing in a vehicle, home, or office without drawing attention. The device operates silently with no lights or sounds, ensuring discreet operation at all times.
4G Network Connectivity for Reliable Performance:
This device operates over GSM networks, allowing it to function worldwide where 2G, 3G, or 4G coverage is available. Unlike older models, the 4G capability ensures faster and more reliable connections, reducing the chances of network issues or call dropouts.
Powerful Microphone for Clear Audio Pickup:
Equipped with a high-quality microphone, the Mini Black Box captures audio up to approximately 20-25 feet from the device. Whether placed in a room, car, or carried in a pocket, it provides clear and reliable audio transmission for effective remote monitoring.
Battery Life & Charging:
Power internal rechargeable battery, USB Cable supplied
Standby Mode:
5-7 days
Live Listening Time:
Up to 4 hours
Rechargeable Battery:
The device is powered by a rechargeable battery, making it portable and easy to use without needing a constant power source. When the battery runs low, simply recharge it using the included USB charger.
Power Switch:
ON/OFF switch inside the device for added control
How It Works:
Insert an active SIM card (compatible with 2G/3G/4G networks).
Place the device in the desired location (home, car, office, or even on a person).
Call the associated number from any phone, and the device will automatically answer.
Listen to live conversations without any noise, lights, or signs that the device is active.
No technical expertise:
No technical background is required—just a working SIM card and a phone to call from, and you’re ready to start monitoring remotely.
Ideal Use Cases
Car Monitoring :
Place the device inside a vehicle to listen to conversations and surroundings.
Home & Office Security
Discreetly monitor a room or workspace.
Personal Surveillance:
The small size allows a person to carry it during meetings or conversations
Features:
• Small & Discreet
• High-Quality Audio Pickup
• Worldwide Listening.
• Long Battery Life
• Silent Operation
• USB Charging
• ON/OFF Switch Inside
• No Technical Setup Required
• Made in the UK
Specifications:
• fully functional 4 way extension lead
• Quad-band worldwide operation – 900 | 1800 | 1900 | 1950 MHz
• 4G network compatible
• No batteries
• Handmade in the UK
• Unlimited Standby
• Unlimited Listening
• Microphone Range 20-25feet
Contents:
• GSM mini black box
• Sim card
• User manual
• USB Charging cable
Questions & answers
How small is the Black Box ?
The size of the listening device 45 (L) x 30 (H) x 15 (D) mm
How do I charge the device ?
The device is supplied with USB cable for charging the device
What’s battery life of the device ?
Standby time of approximately 5-7days
How Good is the microphone ?
20-25 feet, depending on the room size
Can one get longer standby and listening time ?
Yes, you can to get longer battery time on the device you add external power bank or connect it to mains with USB cable supplied.
Does it also Record ?
No, this is a live listening device
Is it easy to use ?
Yes, there no need of any technical back ground just open the cover of the black switch on wait 30secs and dial the associated number in the box.
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