Active Shutter 3D Glasses 1.High brightness shutter technology. 2.More realistic. 3.Battery ... last:1.5hours 4.For LG TVs Active Shutter 3D Glasses Component:LCD shutter,Power button ,Charger indicator,Working indicator,Nose ... made of silicone material3. The frame is made of ABS + PC,which is low energy, low carbon, environmental friendly4. High permeability ...