This is a Sanyo voice recorder. ICR-PS390RM I only used it three times after purchasing it, and have stored it at home. The box and instruction manual are dirty. The accessories are unused except for the charger. There are no batteries or earphones. It is equipped with a PCM recording function. - Brand: SANYO - Recording method: PCM recording - Connection terminal: USB connection - Operation buttons: Playback/Record button - Display: LCD with backlight Thank you for viewing. I have confirmed that it powers on and have initialized it.