Record sounds and voices in superior clarity. The ICD-PX470 features Focus and Wide-Stereo recording so you can zero in on the audio source you want to capture. And with 4GB internal memory, expandable to 32GB via the micro SD slot, you can record for days. USB direct connection for quick file transfer transferring files to or from your computer is fast and convenient. Just plug the icd-px470 straight into a free USB port for an immediate connection ; no USB cable needed. LCD. Built-in memory 4 GB. Voice activated. Recording time see above hours. Twin speed recording. Stereo voice recorder. Slow_fast playback. A to B repeat function. 25 folders. Built-in microphone. Built-in microphone and speaker. Integrated speaker. Can be used as an MP3 player. Storage via Micro SD. WMA files can be transferred and played. Built-in USB connector. Sound organiser, microphone, earphones, . General information: Weight 74g. Size H11.41, W3.83, D1.93cm. Batteries required 2 x AAA (included) .