Record important conversations (even over the telephone) so no detail is forgotten or overlooked! Slim 1GB voice recorder holds 11 hours of high-quality or 65 hours of low-quality with an expandable SD memory card slot. Data storage capacity is organized into 4 folders capable of holding 99 files each! Find your chosen file quickly using the 3-second file preview playback option. Use the built-in microphone or record with an external mike. A 1" LCD panel display screen makes it easy to use set and use features like voice-operated recording, timer, clock/alarm, slow playback and repeat. Can also be used for MP3/WMA storage and playback! System requirements: Windows Vista/XP/ME/2000/98SE. Comes with Specialized Telephone tap connections, headphones and microphone earbud for Cellular telephone recordings. Can add up to 2GB Micro SD memory (not included) to double or even triple the recording time. Requires 2 AAA batteries (included)