Digital voice recorder internal memory 4 096 mb max recording time 1 043 h recording formats mp3 connections microphone headphones usb 20 function pc connection recording functions low cut filter voice operated recording vor overwrite play functions mp3 playback speed control alarm playback playback formats mp3 number of sound folders 5 number of files per sound folder 99 display lcd operating time 32 h output mw 300 mw dimensions 38 5 x 115