From the manufacturer
ICD-UX570 Digital Voice Recorder
Record audio precisely with excellent sound quality and three recording modes. Normal, Focus, and Wide-stereo recording modes give you the ability to record the audio that you need to capture, no matter the setting.
Enhanced sound quality
The UX570 Digital Voice Recorder features improved sound quality over previous versions, making everything you record more flexible and clearly distinguishable.
MicroSD memory card slot, headphone jack & mic input
The inclusion of a MicroSD card slot allows for expandable storage in addition to the 4 GB of included memory, while the inclusion of a headphone jack enables you to easily listen to your recording, and the mic input provides an easy connection for an external microphone.
Simplified user-interface and recording level indicator
A simplified UI makes it easier than ever to navigate through and search for different recordings by date and time. The recording level meter makes it easy to know the exact level of volume the left and right channel are recording.