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STronic UR225-135 Audio Recorder with 135 h Recording Time
275,00  EUR  ex VAT
343,75  EUR  inc VAT
Ready for delivery
14 day refund
24 month warranty

STronic UR225-135 is a powerful and slim Audio Recorder that can be 225 days in Voice Activation mode and offers 135 hours of recording time.

This Voice recorder has an impressive voice activation period that is almost more than any other device in this niche offers. It is extremely thin with only 3.5 mm and has a very high capacity. The device has a USB port for data extraction purposes, just connect it to a PC and get your audio material in MP3 format. 
It is easy to use with one switch that can be set in 2 positions; the first is continuous recording and the second is voice-activation mode/recording. Just choose your operation mode and a hiding place for the audio recorder.
With 3.5 mm this one is perfect for slim spaces like behind artworks, clocks, underneath tables, etc. As the device comes with highly sensitive microphones you will be able to listen to voices and noises in a radius up to 10 meters away. 
Find all StealthTronic products at this link.

Main Features:

  • 225 days in Voice activation mode
  • 135 hours of Recording time
  • HQ audio using Mp3 codec for perfect compression
  • Size: 97 x 80 x 3.5mm (very thin) 


STronic UR225-135 Full Specifications:

Recording Time: max capacity 135 hrs
Battery Life: 135 Hrs
Standby Time: 225 Days in voice activation
Operating system: Windows XP,7,8,8.1,10
Charging Time: 4 hrs
Size: 97 x 80 x 3,5mm
Memory: 4 GB
Weight: 27.2g


Package contains:

  • STronic UR225-135
  • Charger
  • USB MINI cable


Charging when unplugged from the cable:

0—30% battery: No flash or light
30—70% battery: One flash
70—100% battery: Light ON


How to use the STronic UR225-135:

  1. Place the device on the table with the connector facing up as in the image below.
  2. For continuous listening slide the switch in Position 2.
  3. For Voice Activation slide the switch in Position 1.
  4. To turn off the device, push the switch in Position 3. 


The quality of the mobile signal in the place of installation will affect the quality of interception. 


To improve the recording quality and voice gain we recommend using the additional Stronic configuration file.

It is recommended by the manufacturer to format the battery before first use, see details in the PDF below.

Please carefully study the PDF below before using and setting up the device.
>>Download detailed specifications (PDF)<<


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.

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