If there's anything I need to communicate, it's listed in my profile, so please be sure to check my profile before considering a purchase. This is a Sony dynamic headphone. It's a standard monitoring headphone, used by professionals in recording studios. Please refer to Sony's product information page for product details. ▪️Product Condition I used it when recording at home, but I rarely used it for practice. Also, the pads were torn due to aging, so I replaced them with new pads a year ago, but I haven't used them much since then. The entire unit has been disinfected with alcohol. Of course, the cable is also working without any disconnections. The spring part of the plug is misaligned, but the cable is fine and there are no problems with the operation. Since it is a used item, there may be some minor stains. I don't smoke, and I don't have any pets. I cannot respond to price negotiations, so please understand. I may revise the price.