This is a SONY genuine mono headset. It is a new, unused item. It is included with the PlayStation 4 (official product). It has a microphone function, so voice chat is possible. You can use it immediately by plugging it into the earphone jack on the PS4 official controller♪ Because it is a PlayStation 4 official product, it is easy to use and recommended♪ We have multiple items, so bulk purchases are welcome. We have a lot of items for sale, so Please take a look at our other items as well. Combined purchases and combined shipping may reduce shipping costs☆ Many rare and one-of-a-kind items are available, and they will be discontinued when they are gone. It will be shipped in simple packaging. Thank you.