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Best World’s Thinnest Mini Voice-Activated Recorder

Updated: Jan 13, 2021

The digital voice recorders can take any shape and type: lightweight, modest devices with a simple monitor, powerful sound analysis tools, or camouflaged bugs.

Modern sound recording technology makes it possible for microphones to be concealed wholly and anywhere miniaturized for the device. Detective Store offers a variety of digital voice recorders for professionals and hobbyists alike, in the form of secret bugs and regular devices that are suitable for journalistic work.

Are you looking for a compact audio recorder with great battery life or something small and thin that can be put and not seen practically anywhere? This is for you, the device.

The slimmest recorder in the world is the latest in audio surveillance technology. This tiny spy gadget has an unbelievable battery life of more than 70 hours. It can be set for voice activation or continuous recording.

This device is less than a quarter of an inch wide in a pocket, making it nearly unnoticeable. If you don't have a machine to play the recordings, it's perfect for the go recording; just use the adapter cable and headphones provided and listen straight from the device. Check out the best 4 products with high ratings below:

1. TileRec - Slimmest Voice Activated Recorder

Overview and Features

The thinnest Voice Activated Recorder in the world is designed only to make sure it suits your everyday life anywhere and at any time. In your wallet, pocket, or purse, the TileRec Dictaphone fits comfortably, so you can use it anytime you need to capture essential sounds in your life.

With a thickness of just 1/4 inch, this 1.6 inches perfectly square-shaped recorder gives you 24 hours of battery life and 145 hours of recording power. Period for a complete recharge: 2 hours only. Enjoy 128 kbps CD-quality MP3 recording with no additional software needed to play audio files.

When the system is set to Continuous Recording mode, TileRec may also be used for recording interviews, conferences, or meetings. The LED light can also be activated/disabled while the system is in operation.

Its durable case is made of aluminum alloy, and in any situation, you might need it, the system will work. Simple to use, with only one on/off button and a weight of just 0.52 oz.


  • It contains a voice activation sensor.

  • The battery time is high.

  • Excellent customer support service.


  • It cannot be protected through a password.

  • It does not automatically clean the old files once the memory is full.

Click Here to Check Price

2. Mini Digital Voice Recorder by Sdbyn

Overview and Features

Small, discreet, sturdy, simple, always available! With a thickness of just 5 millimeters, this perfectly square 4 cm recorder offers you 24 hours of battery life and 145 recording hours of power.

Enjoy 128 kbps CD-quality MP3 recording with no additional software needed to play audio files.

The Dictaphone fits comfortably into your wallet, pocket, or purse, as tiny as a slice of a chocolate bar, so you can use it any time you need to capture essential sounds in your life.

For an easier way to shuffle through the regular recordings, the Voice Recognition Sensor is there to ensure that no word is lost. The LED light can also be activated/disabled while the system is in operation.

It is compact and incredibly light, so for interviews, meetings, lectures. So on, it can be taken anywhere to record audio. A perfect gift on Thanksgiving Day, Teacher's Day, and birthday for teachers, authors, professionals, and others.


  • It takes only 2 hours for full charging.

  • The recordings can be time stamped.

  • It contains 8 GB of internal memory.


  • It cannot be protected through a password.

  • It does not automatically clean the old files once the memory is full

Click Here to Check Price

3. Micronic World's Thinnest Micro Voice Recorder by Hotsell999

Overview and Features

Micronic is pleased to launch the 8GB digital voice recorder JNN-M2 ultra mini credit card. This lightweight metal sub-miniature recorder is 68mm x 40mm x 5mm and weighs less than 15 grams.

The 8GB With its ultra-sensitive microphone, built-in flash memory, and rechargeable lithium battery lasts 40 hours and is too high quality. With crystal clear clarity, it can capture voice/ talk/ nature/ music over vast areas. Perfect for business, dictation, classroom/reading, or meeting.

Incredible 40 hours of non-stop battery life recording and saving high-quality WAV audio files for 80 hours of 192Kbps.

With instructions given, it is easy to use. To start/ stop recording or to replay files through earphones, it has one switch. Each recording made has a time/ date/ length and file number with a simple USB connection for PC playback. Each file's record length is continuous and will be stored as a single file.


  • The battery is rechargeable with high capacity

  • It includes built-in storage of 16GB


  • The instructions for using it are not clear.

Click Here to Check Price

4. Digital Voice Activated Audio Recorder, Eoqo

Overview and Features

Easy to use - just shift the power switch to ON, press the function button to start recording; no more operations needed; it has an LED indicator light to display the status of works.

VIP Card Size - exclusive design of the same bank card size, with 0.27-inch thickness, simple to put into your wallet, bag, or pocket, with our USB earphone as a music player.

Long Time Voice Recorder - 40 hours of continuous voice recording and 6 hours of playback with one full charge via USB earphone. Suitable for recording demand during the day, best gift for your children.

Voice-enabled - Switch to long standby time voice-activated mode (over 120 hours); it will automatically record audio when surround sound is over 45db, save a file and label it by date and time.

Adjustable memory - Insert a micro SD card to start working, give free 16 Gb memory card inside, save all captured audio on it, quick copy for analysis to your computer, maximum support 128 Gb.


  • Simple and straightforward to use

  • Very portable and slim structure

  • Long lasting battery

  • Affordable price


  • The micro SD card is not included with the device

Click Here to Check Price

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