Thank you very much for viewing. This is the 4-pole type of Voice Mixer G, which allows you to have conversations on your smartphone during games. I purchased it 4-5 years ago and used it a few times, but it has been stored at home since then. There are no scratches or stains, and it works without any problems. - Product Name: Voice Mixer-G - Type: 4-pole type - How to use: Allows conversations on your smartphone during games - Connector: 3.5mm jack Please consider this item, understanding that it is a used product.