SONY WF-1000XM4 with aftermarket silicone case This is the SONY wireless earbuds, the WF-1000XM4. The original size S ear tips are included as they are unused. While there are no major scratches, this is a used item with minor scratches, so please refrain from purchasing if you are overly concerned about the condition. The case itself is very clean as a silicone case was used. Thank you for viewing. Operation has been confirmed. An aftermarket dedicated silicone case is also included. The operating time is confirmed to be 5 hours with the earbuds only.