The recording can be easily started by pressing the small slide switch. (At the sonstgen Diktiergerätetn I've looked at you have to first switch on the device and can only start recording. This is very difficult if you want to do it discreetly. Add to this that a normal voice recorder immediately as such be seen.
The USB stick can be easily on a key ring on the table and it will remember what really makes the device no. If only a USB stick. While it is lit faintly an LED next to the switch and indicates that it receives, but this is hardly noticeable.
The sound quality of the recording find also very good. One can even hear people that are a few meters away. As well, which, however, also depends on the voice and the device that you used to play from. When I first test the recording of a conversation about the built-in (really very small and poor) Notebook Speaker aubspielte that was often not as well understood. This is however clearly due to poor speakers. When I connected external speakers better I could understand the whole conversation well. So if the sound quality is poor, which is not always at the Aufnahmebzw. the recording device. Also, the reproduction apparatus, in particular the speakers and associated amplifiers are there also prevail. As a built-in playback function often helps not so much because they often do not understand eh everything on the small speaker of a dictation.
Benefits:
Very small and unobtrusive - well camouflaged as a USB flash drive or keychain
The recording quality is really good, but that also depends heavily on the playback device
The recording can be started very easily and discreetly
Therefore perfect for covert recording
Disadvantages:
no playback function, which can be but do not expect at this size and to listen to a recording of good quality should do it anyway with a proper system
