Recording time in 4 modes: (The time means how long of recording file can be stored in the built-in memory.) 1) Super High Quality (192 kbps): 2760 minutes. 2) High Quality (128 kbps): 3840 minutes. 3) Short Play (64 kbps): 8460 minutes. 4) Long Play (32 kbps): 16560 minutes. * Recording format:WAV. Voice Operated Recording (VOR):When record option is selected, press the Menu button to access the Voice Activated Recording (VOR) function. * 7 EQ (Equalizer) modes, A-B repeat function, MP3 function, Different languages, Delete function, USB connection, for uploads and downloads. * Built-in speaker, Built-in rechargeable lithium battery, Battery life expectancy: Up to 20 hour continuous recording, Up to 13 hour continuous playback.