Compare Sony 4GB Digital Voice Recorder with Built-in USB (ICDUX570BLK) - Black

4GB memory can store up to 159 hours of recording interviews, lectures, keynotes, and moreBuilt-in stereo microphone with voice-operated recording allows hands-free operationThree recording options include wide/stereo, narrow/focus, and normal, so you can choose the perfect setting to match the recording environmentLinear PCM and MP3 recording and playback offer versatile recording optionsEasy-to-use interface and recording level indicator help you achieve optimal resultsDigital pitch control allows you to play the recording back at various speeds without altering the pitchBuilt-in USB provides up to 27 hours of recoding time on a single chargeQuick charge offers up 1 hour of recording time on a 3-minute chargeMicroSD memory card slot lets you expand the storage capacityHeadphone jack and mic input enhance recording and playback experienceSlim design can be carried around anywhere with ease