Purchased on September 30, 2025, at an electronics store. I took it out of the box and used it once to check its performance. I am selling it because I was not satisfied with the playback speed conversion specifications. 4GB built-in memory, IC recorder with a maximum recording time of 57 hours. - Model Name: WS-882 - Built-in Memory: 4GB - USB Connection: Yes - Maximum Recording Time: 57 hours 00 minutes 45 seconds - Recording Format: MP3 Thank you for viewing.