Due to the miniature size, light weight removable microSD card the devices of that series are very mobile and easy to use. The recorders' microphone is distinguished by high sensitivity and low noise level providing professional audio recording from up to 9 meters. Recorders are controlled with one button and 2 LEDs. With the help of special software the user can easily adjust the quality and time of recording, enable and configure professional functions depending on the surrounding conditions and in accordance with the requirements.