Sony IC Recorder 4GB Linear PCM Recording Compatible FM Radio Tuner Built-in USB ICD-PX470F Supports uncompressed "Linear PCM recording format" "Noise Cut Filter" reduces frequencies other than voice during recording "Scene Select" allows recording settings to be adjusted according to the application "Clear Voice" significantly reduces noise during playback USB direct connection compatible, can also be used with dry cell batteries. A standard model that combines easy operation and high-quality sound recording.