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  • Koolertron Micro Spy GSM Listen, Audio Bug Surveillance Device (Remote Bug Monitoring)
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Koolertron Micro Spy GSM Listen, Audio Bug Surveillance Device (Remote Bug Monitoring)

29 customer reviews
| 13 answered questions

Price: $33.49 & FREE Shipping
In stock.
Usually ships within 2 to 3 days.
Ships from and sold by YuFei.
$33.49 & FREE Shipping In stock. Usually ships within 2 to 3 days. Ships from and sold by YuFei.

Frequently Bought Together

Koolertron Micro Spy GSM Listen, Audio Bug Surveillance Device (Remote Bug Monitoring) + H2O Wireless Direct Dialing GSM SIM Card Starter Kit + Real Time Portable Mini GMS/GPS/GPRS Tracker
Price for all three: $58.49

These items are shipped from and sold by different sellers.

Buy the selected items together

Product Details

  • Shipping Weight: 4 ounces (View shipping rates and policies)
  • ASIN: B006NTOLW0
  • Item model number: FB-NGNG01
  • Average Customer Review: 2.3 out of 5 stars  See all reviews (29 customer reviews)
  • Amazon Best Sellers Rank:
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at Amazon.com: December 19, 2011

Read about our customers' top-rated security and surveillance products on our review page: Security and Surveillance

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

42 of 44 people found the following review helpful By Mike C on August 18, 2012
I purchased this device and have tested it for a couple weeks. The device works as advertised. The issue I ran into was that there was a piece of plastic in the usb cable that was provided on the large end, that caused the device not to charge. I had to pick it out with a toothpick. I have not had any problems with it only working for 1.5 days. I have used only 1 SIM card and have had it running and in standby for more than 4 days at a time. From the previous review the idividual states that the device is fully charged when he inserts the SIM and sees the red light flash, this only indicates that the device is now active, the SIM card completes the circuit for the device to work. When you plug the charger in you will see both the red and green lights lit, when the green light goes out the device is fully charged. The directions that come with the device are a little cryptic so I will explain how it works.
1. Fully charge the device
2. insert the SIM the right way, you can actually insert it in upside down and it will still make the light flash, but will not work.
3. You now have to call the unit with your cell phone, listen in for a few seconds, then hang up. This tell the device what number to call back to when it hears sound.
4. You now have to send a text message to the device to put it in standby, send a text 0000, the device is in standby. If you do not, any sound will trigger the device to call you back.
5. to Activate the device to call you back send it a text message of 1111. This will tell the device to call you back whenever you hear a sound so you can listen in at the location it is placed at.

These are great to just leave in your car, if someone hits your car at the mall the device will call you...also warning....if someones alarm goes off in the parking lot it will call you also.
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11 of 14 people found the following review helpful By Karim on August 4, 2013
Verified Purchase
Does not work in the US
simply, my money is stolen!

I made sure that this device doesn't work in the US after contacting the manufacturer.
I think Amazon should check what they are selling carefully!
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9 of 12 people found the following review helpful By belseven on July 6, 2013
Verified Purchase
Device came on time (2day shipping). Tried to use the sim card from my at&t Nokia 920. Didn't fit. I put the sim in sideways & device lit up as though it recognized the sim. But when I dialed my phone number from another phone, I only got my voicemail. I went to Best Buy & asked for help. They sold me a T mobile sim for $15 plus a $10 prepaid card. Went through all the trouble of setting up the new phone account. Installed brand new sim card which never was in any phone previously, called the new sim card... Went to voicemail. I am coming to terms with the fact that I got RIPPED OFF! I thought maybe the other reviewers were not as smart as me & I could do it. Don't buy this. Buy a cute $40 outfit & find a new man u can trust.
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4 of 5 people found the following review helpful By Buckaloo on September 13, 2013
Verified Purchase
Very easy to set it up and it does work sorta. Mine will not go into standby for nothing. I can call it and it does call me back. Big bummer it won't go into standby. Works great beside that. Nothing to setting it up at all. Very easy took me 5 minutes.
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3 of 4 people found the following review helpful By Emin Dostiyari on November 16, 2013
Verified Purchase
I charged few hours and inserted gsm number. Red light blinks however when I call the number if gives me response as phone is off. I tried another gsm number however still the same. Looks like it does not work.
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1 of 1 people found the following review helpful By jaime on August 5, 2013
Verified Purchase
This unit is a cool gadget, nice to have around, wish it had a way to control few more things with it and longer battery life.
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1 of 1 people found the following review helpful By Bandi on May 20, 2014
Verified Purchase
Used it for a few days and the charger included does not work. Poor quality merchandise. Look for better quality device.
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10 of 15 people found the following review helpful By les on September 6, 2012
Verified Purchase
This doesn't work! Wouldn't even turn on. No instruction manual or anything to tell you how to operate; let alone how long to charge the battery. This is such a waste of money.
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