3DTV Corp Rechargeable Active RF/Bluetooth 3D Glasses for Sony 3D TVs made 2012 to 2017( or later),Replacement of Sony TDG-BT500A TDG-BT400A 3d glasses 3D Glasses Compatible with Sony 3D TVs made in between 2012 ~ 2017 (or later ) Compatible with Sony 3D TV models: KDL-65W850A KDL-55W950A KDL-65W900A X940C, X930C, X910C, W850C, W800C, TDG-BT500A, TDG-BT500A TDGBT500A TDG-BT400A TDGBT400A Replacement of Sony 3d glasses model TDG-BT500A and TDG-BT400A Rechargeable, Lightweight, Comfortable 3D Active Glasses RF (Bluetooth)/ Full HD 3D Glasses Standard Compatible