Olympus VN-480 Digital Voice Recorder Compact digital voice recorder with 64 MB built-in Flash memory Up to 8 hours recording time in LP mode, 4.5 hours in SP mode, and 3 hours in HQ mode Simple-to-use thumbpad navigation; handy file management with 4 file folders Voice activation for hands-free recording; automatic timer recording and alarm functions 25 hours of operation on 2 AAA batteries (included); 1.54 by 3.9 by 0.85 inches (W x H x D)