This is an OLYMPUS IC recorder with 4GB of storage, capable of recording approximately 1570 hours. - Brand: OLYMPUS - Model Name: IC Recorder - Storage Capacity: 4GB - Recording Time: Approximately 1570 hours - USB Port: Yes I purchased this several years ago, but I haven't had much opportunity to use it, so I'm selling it. [Condition] - Tested and working - The main unit has no noticeable scratches or stains (used infrequently) - Batteries (used) will be included for shipping [Included Items] - Main unit only - No box, instruction manual, USB cable, or other accessories This model is recommended for language learning, recording meetings, and more, thanks to its simple operation. Please understand that this is a used item before purchasing. It will be shipped via Nekopos (Rakuraku Mercari Bin). I will carefully package it to fit within a thickness of 3cm.