Beats Adapter Output: 5.2V/2.4A Cable I believe this came with the purchase of headphones. I have hardly used it. I confirmed it was working (charging) on January 6th. ⭐︎Please ask any questions you may have before purchasing. ⭐︎Please refrain from purchasing if you are overly concerned about condition. ⭐︎Please purchase if you understand that this is a used item and has been stored by an individual. ⭐︎I have checked the item, but there may be oversights.