NEW GENUINE SONY ORIGINAL PART MADE BY SONY.. (Brand new , Factory sealed) GENUINE..NOT COPY CLONE.. TRACKING NUMBER INCLUDED IN THE PRICE The shipment is by post office.. This Part is the genuine SONY Part which is provided with the Main system. (when you bought the Main system) Compatible with: MDR-RF865R MDR-RF865RK . IF YOUR MODEL IS NOT IN LIST OR IN TITLE PLEASE SEND ME A MESSAGE TO FIND ANY PART YOU NEED FOR YOUR MODEL. IF YOU HAVE ANY QUESTION PLEASE CONTACT US.. Delivery time sometimes soon,sometimes longer. maybe 2~6 weeks.. Sincerely hope you receive it very soon.. Thanks for your patience.SONY_SERVICE_PARTS