This is a new, opened item. I believe it's something that attaches to a pin microphone. I don't know the specifics of the product. Please check the photos and purchase accordingly! #HJ's product list is here #mj54 ◾️Although it is an unused item, it is being sold as a new/used item because it has been opened. ※Although the product condition is selected as new/unused, some items have been stored for a long time, so please be sure to check the condition of the product with the actual photos (including accessories). ※There may be scratches or slight dirt on the product. Noticeable ones will be described in the description. ※The package may be dirty or the box may be crushed. ◾️If you have any concerns or questions, please contact us via comments. ※We cannot provide support for usage methods or detailed specifications. ◾️Reference images may be posted. ※The accessories are the actual items in the photos, so they may differ from the reference images. ◾️Unless otherwise stated, operation has not been confirmed. ◾️Since we have not confirmed power-on or operation, please consider it as a junk item even if it is new/unused. ※Items that have been checked for power-on and operation are noted. ◾️Regarding products with unconfirmed operation Even if the product does not power on or operate, or if there is a malfunction and it is not suitable for the buyer's intended use, such as for parts, the transaction will be considered complete. Transactions will also be considered complete if the buyer made a mistake in the purchase, such as the wrong size or model number. ◾️A measuring tape may be photographed with the item for size confirmation. There may be errors due to amateur measurements. ◾️Same-day shipping for purchases and payment confirmations received by 3 p.m. on weekdays. ◾️Shipping, replying to comments, and evaluation work cannot be done on weekends, holidays, or at night. ◾️The shipping method will be the cheapest method after packaging, so the box (package) may be removed. The shipping method cannot be specified. (We do not contact you when the shipping method is changed. Please provide us with your address when you win the bid. ◾️In any case, returns, refunds, and cancellations are not possible after purchase. Please purchase after agreeing to the above contents. Thank you for reading to the end. We are also selling various items at bargain prices! #Set of 2 #Pin microphone #Wind muff #Noise reduction