I contacted sony chat support. 9:19 PM Connecting 9:33 PM Ric - ( C45X ): Please let me know the place of purchase of the Headphone. 9:35 PM Customer: Walmart 9:36 PM Ric - ( C45X ): Thanks for the information. 9:37 PM Ric - ( C45X ): I'm sorry that the manual for this Headphone is not available. The only available manual is the back of the package. 9:40 PM Ric - ( C45X ): The manual for this Headphone is not available.