KORG MR-1 1-Bit Professional Mobile Digital Recorder Supports multiple recording formats such as DSDIFF, DSF and WSD 1-bit format, as well as multi-bit PCM format (BWF) 20 GB internal hard drive; can store 6 hours recoding at highest quality or 30 hours at CD quality Stores a maximum of 1000 individual files Editing functions let you rename, delete and protect your recorded files USB connection links your recorder and computer for easy file transfer