The Headphone has marks and signs of wear. There is a crack near the Left hinge causing the left side to rotate all the way.
| Country Of Origin | Japan |
| Brand | Sony |
| Form Factor | Headband |
| Type | Ear-Cup (Over the Ear) |
| Number Of Earpieces | Double |
| Wireless Technology | Bluetooth |
| Color | Black |
| Model | Sony WH-1000XM4 |
| MPN | WH-1000XM4 |
| Microphone Type | Built-In |
| UPC | 027242919419 |
What stands out about Sony is how the ear pads breathe, so they do not get too warm.