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 ndash no usb cable needed expand your memory with