New Super Universal 3D Active Shutter Glasses IR&Bluetooth For Sony KDL-46NX710 KDL-55NX810 KDL-60NX810 KDL-40NX720 KDL-46NX720 KDL-55NX720 KDL-60NX720 KDL-40EX720 KDL-46EX720 KDL-55EX720 KDL-60EX720 KDL-46HX800 KDL-55HX800 KDL-46HX820 KDL-55HX820 KDL-40HX720 KDL-65HX720 KDL-46HX920 KDL-55HX920 KDL-65HX920 KDL-55HX729 KDL-55HX800 KDL-52LX900 KDL-60LX900 KLV-60NX810 46Nx810 TDG-BR250B KDL-32EX723 KDL-40ex723bu SONY kdl40ex723 Delivers a true 3D experience - For watching your favorite movies in a new way. Build-in Rechargeable battery. When turn on the shutter glasses, press the button shortly, you can switch the L/R sequence Communicate with the TVs IR emitter- To create a beautiful, full HD 1080p 4D experience Package Content: 2X 3D Universal Active TV Glasses. 1X USB Cables 1X Storage Bag 1X Cloth 1X User's Manual Contentiously working time 40 hours Charge time 2 hours