Audio Spy Bug Audio GSM Two Way Calling


This Audio Spy Bug with voice activated call back function is a two way  GSM Bug which can call you designated phone from anywhere in the world when it detects sounds around its vicinity. This is one of few GSM audio devices which a work in USA, Canada and Europe.

  • Compact
  • Call your phone number automatic by voice detect
  • Long standby time
  • Built in USB flash
  • Colour Greyish
  • Insert SIM card inside will power on and get it works automatically
  • Works for Europe, Asia, Middle East, Africa, USA and Canada

Trying to find out the truth about what's being said behind your back? Now you can and from anywhere in the world.

Basic Instructions

Insert a SIM card into the device. Then from your cell phone, you send an SMS to the telephone number associated with the SIM card in the device.


SMS you send should be in the following format: GDM telephone number you are sending the sms message from


This is very important. In your SMS message, the telephone number is of the cell phone you are sending the message from, not the telephone number associated with the SIM card. Then send the SMS to the telephone number associated with the SIM card

Follow User Manual Instructions:

GSM Frequency Compatibility: Quadband (850MHz, 900MHz, 1800MHz, 1900MHz)

Color: Black and Grey
Onboard Buttons/Slots:
- USB Input
- LED Light
- LED Light Button
- Two Way Switch
- SIM Card Slot
Power: Built In Rechargeable Battery
Dimensions: L:52 x W:40 x H:15 (mm)
 Average 3-5 days on standby

1 x GSM remote spy audio transmitter
1 x English manual
1 x Charger
1 x USB Cord
1 x Package

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Also, refer to our section on understanding GSM Frequencies


Note: T-mobile carries prepaid GSM SIM cards with a number already assigned, many places such as Walmart etc have same.



This two way GSM audio spy device calls you from anywhere in the world when it detects sounds around its vicinity. Simply insert a GSM SIM card and program it to your desired phone number for call back


Insert a SIM card into the audio spy device, send a text message containing the activation letters as stated in the products user manual (e.g. XXX followed by your cellphone number from your mobile phone, then your spy bug is active and ready for action! The bug is a quad-band product that supports the four global standard GSM frequencies (850MHz, 900MHz, 1800MHz, and 1900MHz), so you can be confident of it working anywhere in the world.

This audio spy device comes with a manual switch located next to the SIM card slot. Switching to option (A) only allows you to call the spy audio device and listen in to conversations that are being detected. Option (B) allows the spy audio device to call you when it detects sounds, or if people are talking, while still allowing you the freedom to call the device and listen in to who's talking.



Special Note:

Purchaser of this product are solely responsible for adhering to any State or Federal regulations concerning the use of audio  product as identified above. This product is being sold as an investigative tool primarily for law enforcement or licensed investigators.

Current Stock:
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Shipping Cost:
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