Gonbes High Quality 2X 3D RF Active Glasses for Sony 3D TV US 2015 & KDL50W800B,KDL55W800B,KDL60W800B,KDL65W850C,KDL75W850C,KDL70W800B,KDL50W800C,KDL55W800C, KDL75W850C,KDL65W850A,KDL55W900A Support 2014~2015 latest bluetooth 3D TVs of Samsung / Panasonic / Sony, and Epson 3D RF Projectors. RF (Bluetooth) communication method, work without emitter. Auto power off function, energy efficiency. Button Battery supports 100 hours continuously working time. Detachable Arms, light design, 27g only. High transmission lenses with brighter 3D video image.High-tech light-speed LCD shutter technology. High quality stereoscopic 3D solution.