OLYMPUS Voice Trek VP-10 - Brand: OLYMPUS - Model: Voice Trek VP-10 - Recording Time: 1620 hours - Memory Capacity: 4GB - Accessories: USB cable, instruction manual, and batteries included as a bonus. Operation confirmed before listing. Please understand that this is a used item. #OLYMPUS #IC Recorder #Voice Recorder The following is manufacturer information: Equipped with a "rubbing noise filter" to reduce rustling sounds in your pocket, allowing you to record "naturally and discreetly" without the other person noticing while it's in your pocket. Even in your pocket, you can start recording "naturally and discreetly" and instantly with blind touch. Recording Format: Linear PCM (Pulse Code Modulation) / MP3 (MPEG-1 Audio Layer3) / WMA (Windows Media Player) Weight (including included batteries): Approximately 37.5g External Dimensions: 17mm x 130mm x 17mm *excluding protrusions Recording Media: Built-in NAND FLASH memory 4GB *A portion of the memory capacity is used as a management area, so the actual usable capacity will be less. Headphone Jack Type: Φ 3.5mm, impedance 8Ω or more