SONY Sony Mono Bluetooth Headset MBH20 Black Used This item has been used infrequently and is in good condition. It's a rare item, and I think it's not often available. I have confirmed that it charges and works for calls. When I used it, I used different ear tips, so the included ear tips are unused. It's an old item, so I think there may be some battery degradation, but I didn't feel any extreme degradation. I connected it to an iPhone for about an hour and played music, but there was no particular change. There may be minor scratches and dirt from use, so please understand that this is a used item before bidding.