2 Packs 3D Active Shutter Bluetooth Glasses for Samsung UN60ES7500 UN60ES7100 UN55ES6900 UN55ES6580 UN65ES6550 UN55EH6070 UN40EH6030 UN60ES8000 UN46ES7550 UN55ES7500 UN55ES7100 UN40ES6580 UN50ES6500 3D TVs Black Support newest bluetooth 3D TVs of Samsung/Panasonic/LG, and Epson RF Projectors Button Battery supports 100 hours continuously working time Bluetooth communication method, work without emitter, Auto power off function, energy efficiency High transmission lenses with brighter 3D video image, high-tech light-speed LCD shutter technology High quality stereoscopic 3D solution, detachable Arms, light design, 27g only