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Best Selling Upgraded Micro Auto Callback GSM listening device with adjustable sensitivity

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Product Description

Although this device looks identical to the best selling Micro Auto Callback GSM listening device.

The Upgraded Spy Bug has 2 additional features above the standard:

1) Sensitivity adjustment from 10db - 100db for auto call back feature therefore you can make it less or more sensitive to surrounding sound

2) Device can text you to inform you noise has been identified by the device discretely you can then choose to call it up to listen.

You also have the same clearer sound as other similar devices, which can automatically call you when it hears talking or increased activity. Alternatively you can easily swith 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 ect. 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 7 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.

At a Glance...
"    Upgraded aerial, often works where other devices struggle get a GSM signal
"    Auto Dialing option with sensitivity 10 - 100db
"    Tri-Band GSM Audio Spy Device

"    Runs off GSM technology using the same technology as mobile phones.

"    No Hidden costs or contracts like our competitors.

"    Auto text to alert you when sound is detected in the area

Microphone Range: 5-7 meter radius
Power: Built In 200 mAh Rechargeable Li-ion Battery
Working Time: up to 5 hours
Standby Time:
Voice Control On: up to 3-5 days
Voice Control Off: up to 5-10 days
All estimates are based on a fully charged battery with ideal reception.
Dimensions: 4 x 3 x 1 (cm)


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.

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