Specification Binding : Electronics Brand : PDi Communication Systems Color : Black Label : PDi Communication Systems Manufacturer : PDi Communication Systems Model : PD108-005C NumberOfItems : 50 PartNumber : PD108-005C ProductGroup : Home Theater ProductTypeName : HEADPHONES Publisher : PDi Communication Systems SmallImage_Height : 50 SmallImage_URL : https://m.media-amazon.com/images/I/31SIg8W9DqL._SL75_.jpg SmallImage_Width : 75 Studio : PDi Communication Systems Title : Black Earphones, 3.5mm or 1/8". 50pc Lots, Can Use with PDi Healthcare-Grade Patient TV Systems for use in Hospital, Dialysis, or Medical Clinic Facilities. Healthcare.