I've used it a few times after purchase, but not very often, so it's in good condition. Operation confirmed. The only included accessory is the cover shown in the photo. Recording file format: MP3/WAV, Playback file format: MP3/WAV/WMA/AAC, Frequency characteristics (L): 50Hz, Frequency characteristics (H): 20000Hz, Sampling rate: 44.1kHz/16bit Memory capacity: 4GB, Supported memory card: microSDHC Number of built-in microphones: 2, Microphone movement: Not supported, Directivity switching: Not supported, External microphone: Supported Low cut filter: Supported, Noise cancellation: Supported, Automatic recording: Supported USB direct connection: Supported, Battery type: AAA x1, Battery life (recording): 30 hours - Brand: SONY - Model: IC Recorder - Color: Silver - Display: LCD display - Back: Built-in speaker Thank you for looking.