USB direct connection for quick file transferTransferring 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. | Expand your memory with the micro SD card slotThe ICD-PX470 comes with 4 GB of memory built-in, which gives you a max recording time up to 59h 35m when recording in stereo at MP3 128 kbps. You can expand your memory capacity with a micro SD card for up to 32 GB of additional memory—equivalent to over 536 hours (Micro SD 32 GB, MP3 128 kbps) of recording time. | Extra-long battery life for extended recordingWhen recording with the built-in mic at MP3 192/128 kbps, the supplied AAA battery will last for up to 55 hours. That’s over two full days of non-stop recording in between battery changes—perfect for recording at long conferences and events. |