We will ship the item on the same day or within 24 hours. Model Name: NW-S644 Brand: SONY Release Date: October 2009 The volume up button and hold button do not respond. Operation has been confirmed, including connection to a PC. The speaker volume down button doesn't feel like it's being pressed, but it does respond somehow, so if you use it while plugged into the speaker, you can overcome the above problem and adjust the volume up and down. Some songs by Southern All Stars, Porno Graffitti, LISA, and Kenshi Yonezu are included, but please feel free to delete them. This is a used item that has been in use for several years, so the built-in battery is not new due to aging, and some deterioration should be expected. *Additional Information: Good condition. We confirmed approximately 18 hours of background playback, which is practical. Please use this as a reference, as it depends on the usage environment. This is a used item that has been in use for several years, so there may be some scratches and stains. Please check the condition in the photos. We have priced it accordingly. This is a used item, so please refrain from purchasing if you are concerned about future malfunctions or the current exterior scratches. We welcome bulk purchases, and if you purchase with other items, we will discount the second item by 300 yen, regardless of the item. Please see the following hashtag: #Poipoi'sItems (Click to see the list) Since we have a lot of items for sale, If you are looking for something similar, Please see: #Poipoi'sMusic Thank you. #SONY #HeiseiRetro #Walkman #s644