Newest Super Universal Bluetooth 3D Active Shutter Glasses for Samsung UN55D8000X UN46D7050XF UN46D7000LF UN46D6900WF UN46D6500VF UN40D6420UF UN46D6400UF UN55D8000YF UN40D6500VF UN40D6400UF Support newest bluetooth 3D TVs of Samsung/Panasonic/LG, and Epson RF Projectors Button Battery supports 100 hours continuously working time Auto power off function, energy efficiency Detachable Arms, light design, 27g only