Free DHL express shipping worldwide
Same day shipping for orders made before 13:00 with average 24 h delivery across the EU
STronic GSM Spy Bug LONGLIFE 20 with 20 Days Standby
135,00  EUR  ex VAT
168,75  EUR  inc VAT
Stock in 15 days
14 day refund
24 month warranty
Disclaimer: Items on the website are not be used for the purpose of illegal surveillance of unsuspecting subjects. The items are to be used only in compliance with all the local laws and regulations under the threat of penalty.

The GSM Spy Bug LONGLIFE 20 records clear sound due to the high-quality microphone. The bug can last up to 10 h in continuous listening mode, and up to 20 days in standby mode.

The LONGLIFE 20 is from Stronic's LONGLIFE Bug series, which has virtually no competition when it comes to battery life and continuous listening/standby time.
The battery lasts 6x times longer than those of standard GSM Bugs, the microphone records clear sound in a wide radius, and the calling upon the device for listening purposes is simple. When the SIM card is inserted in a fully charged GSM Bug, you can call the device and start listening. 
Longlife 20 is perfect for spaces that do not offer power supply, however, it can also be used indoors in warehouses, offices, etc. 
If you need more standby and listening time, check out the LONGLIFE 60 which comes with 75 days standby time and 26 hours of continuous listening. 
If you are looking for a device that is a Spy GSM Bug that also has the possibility to be an audio recorder with integrated memory, the URP GSM PRO K Plus Dual Module is what you are looking for. 

LONGLIFE 20 Main Features:

  • Extremely clear sound due to the high-quality Knowles microphone
  • Up to 20 days in standby mode
  • 10 hours of continuous listening
  • Call back function that takes a couple of seconds to install/uninstall


GSM Spy Bug LONGLIFE 20 Full Specifications:

Standby days: Min 16.7 days; Max 25 days
Callback days: Min 1.7 days; Max 2.5 days
Incall hours: Min 8 h; Max 9.2 h
Power consumption in standby: 2-3 mA
Power consumption in voice detection mode: 20-30mA
Power consumption during call: 100-150 mA
Charging time: 4 h
Dimensions: 23*53*40 mm

The Package contains:

  • GSM Spy Bug LONGLIFE 20
  • Charging adaptor
  • Charging cable


How to use the GSM Spy Bug LONGLIFE 20:

  1. Plug the device into a power socket and wait for it to be charged - 4 h.
  2. Unplug the Longlife 20 from the electricity and wait for 10 sec for the device to boot up.
  3. Insert the SIM card into the device.
  4. Now you can call the device. It will pick up the sound from the 5 - 10 meters range. 
  5. Call back activation: The callback function is activated via SMS by sending 1111.
  6. Call back deactivation: by sending SMS; 0000.
  7. * In order to change the number take out the SIM card from the device, insert a new SIM card with the number you wish to use, and call the number right away. 


It was not developed for continuous usage of 220 V.

The quality of the mobile signal in the place of installation strongly affects the quality of interception.

Please format the battery before first use as instructed in the PDF below. 
For more info regarding GSM Bug please carefully study the PDF file below. 

SIM Card not included.
Starting from 2020 the 2G network is no longer accessible in the USA, and these devices work on 2G. If you are from the US, you can use the 3G unit.

24 Months Warranty

>>Download detailed specifications (PDF)<<


Spy Shop Europe uses cookies to provide a better user experience. To continue using the website, click on "I agree" to agree with the use of cookies.
For more information about cookies that Spy Shop Europe uses follow this link. I agree