Restore full functionality to your Sony Blu-ray player with the RMT-VB310U Replacement Remote Control. Designed to match the original Sony remote in form and function, this remote is fully compatible with models RMT-VB310E, UBP-X800, and UBP-X800B. No programming or setup is needed—just insert two AAA batteries (not included) and start using it right away. It features a user-friendly layout with clearly labeled buttons for easy navigation of your Blu-ray menus and streaming features. Ideal for replacing a lost or damaged remote, this is a reliable and affordable solution to get your entertainment system back in action.