This is a Sony wireless/streaming microphone, model ECM-S1. Please refer to the manufacturer's website for detailed specifications. It has only been used a few times indoors and is in good condition. There are no missing items or accessories, and it is fully functional. Please refer to the images for product confirmation, and feel free to ask any questions in the comments section. I'm selling it for 29,000 yen (including shipping) because I don't have the time or opportunity to use it! Don't miss this chance! *Please note that the camera shown in some of the images is not included.