4 GB of memory lets you store up to 1043 hrs (MP3 8 kbps)</br>Supports up to 32GB of additional storage via its microSD card slot</br>Direct USB (Slide Store) - Transfer files without the hassle of cables</br>Up to 98 Track Marks in each recorded file  Automatically Playback Important Notes</br>Intelligent Noise Cut function significantly minimizes surrounding ambient noise for clearer playback</br></br>Product Description</br></br>The Sony ICD-PX440 4GB PX Series MP3 Digital Voice IC Recorder is a digital voice recorder designed for use in business applications. It features 4GB of internal memory and supports up to 32GB of additional storage via its microSD card slot. A unique and innovative technology by Sony the Intelligent Noise Cut function significantly minimizes surrounding ambient noise for clearer playback. <br> Finding The Exact Recorded Section In A Breeze: This feature acts like a cue marker to mark important points of your recording. You can store up to 98 Track Marks in each recorded file making it easier to navigate during playback. <br> Transfer files without the hassle of cables just plug your ICD-PX440 Digital Voice Recorder into your computer to transfer all your recorded files. <br> Automatically Play