- 3d universal active glasses for 3d led/lcd/plasma tvs ; - fully immersive vision universally compatible with active 3d tvs; - auto identification of different 3d tvs' signals, with the strong compatibility, no extra emitter needed; - innovative craft of appearance, anti-interference; - the newest active shutter technology, high definition, minimizes 3d crosstalk and reduces "ghosting" effects; - create beautiful, full hd 1080p 3d experience with super large viewing and receiving angle; - lightweight, stylish design allows you to focus on the game with maximum comfort; - excellent lcd lenses offer bright and sharp 3d experience; - the lowest energy consumption design; - built-in rechargeable battery let you play up to 60 hours without interruption. Gift box package 20/50 pcs per carton box