4gb Mini Voice Recorder with U Disk Function Silver & Black

I bought this USB because I needed a cheap way to record audio for long amounts of time. This product does just that: all you do is switch it on, and it'll start recording about three seconds afterwards for up to four hours.

The biggest disadvantages are:

* Between the time you turn it on and it actually starts recording there is a delay;

* You can't play audio unless you insert the device into a computer

The audio files are in .wav format, which is a fairly common format -it works with audacious and other Linux audio-editing programs.

If you need something more customizable or something that will play back audio you'll want a different device, but for general purposes this device is great.

This product was okay once it started working. I charged it for the recommended time and the light still flashed saying that it was charging. Then it wouldn't open on my computer but I got it to work on my laptop. It records well.

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You definitely get what you pay for with this item. I liken it to a basic PC mic in terms of audio quality. If you're going to use this for a class, you definitely have to sit as close to the instructor as possible. Even with that, there's quite a heavy rumbling and background noise despite being in a reasonably non-noisy area.

Interesting thing is that this is one of the few recording devices on Amazon that had USB-uploading capability, which many, including myself, find more convenient than listening directly from the device. It's also an extremely discreet object, since it looks like a simple flash drive.

(EDITED October 02 2012)

After using this device for some time, I can give a more thorough review. I would notice this would not record my lectures after I'd arrive home, brain-fried, looking forward to reviewing what was said in class. If you want a recorder for important things, LOOK ELSWEWHERE. I thought that it wasn't capturing because I wasn't it charging it correctly. Not so. Even with fully adequate charging, fresh-off-the-juice, I'd arrive home to find nothing in the file, and I had powered it on properly.

This product only works when it feels like working. Horrible buy, even for the price. :\

Four stars down to one.

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I gave it 5 stars, because it works well for the price. The recording is a little scratchy, but that's expected has it tries to pick up sound from all over the immediate area. What's nice is that even if you walk 10 feet away from the device and talk in a normal voice volume, it will still pick up what you say clearly. I'm using it to record my social conversations so that I can review them and see where I can improve.

A couple of the reviews here are a little silly and clueless, like "This recorder does not have the ability to go backwards or forwards within the recording while the recording is being made". Um... This is a COVERT recorder. NOT for school work and the like-please buy a normal recorder with all the bells and whistles if it's for doing work. This recording has a very specific function... to be covert. Putting extra buttons all over it or a mike jack would defeat the purpose.

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Small, portable, accessible (if worn around the neck) and has long battery life. Records very well for one-on-one meetings or small classrooms. Recording volume could be a bit low, so I need to increase playback volume in computer. Records in WAV format, which can be easily converted to smaller MP3 format using free software. I have had it for about two semesters now, and it has replaced both my previous USB drive and my $50 voice recorder. The rechargable battery saves plenty of hassle since it charges automatically when connected to a computer.