Best Selling Professional GSM spy listening device with adjustable sensitivity & Auto Callback

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  • £59.99
  • Regular price £69.99

This fantastic upgraded professional grade listening device spy bug is the best on the market by far. It has clearer quality sound than retail versions, for more effective sound monitoring, with the benefit of a simple, flexible setup.

The device is made exclusively for ourselves in China using the latest V-10 technology, as such it is designed for investigators, delivering a superior performance. As this is sourced from the genuine manufacturer, it has the clearest sound monitoring up to 10m, with the benefit of a simple, flexible setup. Therefore, this device can be used in more scenarios, loud, quiet, busy, there is a setting to suit. Take the gamble out of purchasing the right product as this is a superior genuine product designed for professional use, not an inferior copy.

All you have to do is insert a sim card, position the device, send it a simple text and you’re ready to call it up at your convenience or it can call you, when it detects talking or increased activity. As the device now has a Micro USB connector, it can easily be linked up to a standard battery pack. This gives you almost limitless standby and recording possibilities.

At a Glance

Superior microphones delivering professional sound quality
Upgraded aerial, often works where other devices struggle get a GSM signal
Auto Dialing option with sensitivity 30 - 100db
Microphone Range: up to 10-meter radius (25% further than retail versions)
Power: Built In 200mAh Rechargeable Li-ion Battery
Standby current: 1.9mA Calling current: ≈150mA
Standby Time: Voice Control On: up to 5 days, Voice Control Off: up to 10 days
All estimates are based on a fully charged battery with ideal reception.
Dimensions: 4 x 3 x 1 (cm)

Improved professional features include:

Two Superior v-10 microphones, delivering clearer sound when listening in

Auto-call back function so device calls you when it detects sound therefore, removing the need to constantly listen

Dual V10 microphones for clearer monitoring of surrounding area, superior to retail products

Improved aerial, to enable reception in areas other devices struggle

Adjustable sensitivity, (30-100db) for auto call back feature by simply sending a text. This feature is brilliant in areas with lots of background noise, stops you being called unnecessary

The device can automatically call you when it hears talking or increased activity. Alternatively, you can easily switch the devices operation to call the device at your convenience.
Just send a text to the secret gsm spy bug listening device and it will call you back. Put the phone down when you have finished listening & it will call you again when there is more activity. You can hear this GSM spy device from anywhere in the world.

When you call the mobile number, this device will auto answer. You can hear talking or whatever you are listening for when you call in to the sim card. Useful at home with the babysitter, teenager, protecting your car etc. No flashing lights or sounds when activated by your call

This two-way gsm spy bug listening device comes with two amazing functions:
(1) Make a call to the sim card spy bug and you can instantly listen in to conversations! The built-in microphone works up to a 8-meter radius, so set this bug up wherever you want!
(2) Allows the spy audio device to call you when it hears people talking! This feature makes it much more advanced than most other GSM audio bugs on the market today.

Package includes: GSM listening device, USB charging cable, basic instructions.


Optional upgrades also available to extend the battery life further using the TRIPLE BATTERY PACK upgrade or power direct from your car or vehicle using the Car adapter upgrade kit for Professional GSM listening device.


To use the features on this product you will require a compatible GSM sim card once you have tested ok put some credit on the sim to ensure that the network keeps it active.

It's always best to stick with a network that you know has a decent reception in the area that the product is being used, we normally recommend Vodafone, Virgin or EE in the UK as these have good network coverage. Device works with most GSM networks across the world.

O2 & the 3 Network sim cards will NOT work with listening devices as they are mainly 3g sim cards.

You can add a compatible GSM sim card to your purchase by selecting from here Sim Cards and Add to Cart.


Warning: This product should not be used for any illegal purposes; you may be subject to prosecution under applicable laws.
It is illegal to make recordings (audio/visual) of any person(s) without their prior knowledge and/or consent.

or knowledge and/or consent.