SONY Stereo IC Recorder UX523F with FM Tuner 4GB Champagne Gold ICD-UX523F/N

Recording file format: MP3/WAV, Playback file format: MP3/WAV/WMA/AAC, Frequency response (L): 50Hz, Frequency response (H): 20000Hz, Sampling rate: 44.1kHz/16bit Memory capacity: 4GB, Compatible memory card: microSDHC Number of built-in microphones: 2, microphone movable: not supported, directivity switching: not supported, external microphone: supported Low-cut filter: Supported, Noise cancellation: Supported, Automatic recording: Supported USB direct connection: compatible, type: AAA x 1, driving time (recording): 30 hours