1. Bluetooth glasses •support most of 3D TVs with IR signal, such as Sansung C series, Panasonic IR TV, Sharp TV 1. Auto identification of different 3D TVs' signals, with the strongest compatibility. •2. Innovative craft of appearance, anti-interference. •3. The newest active shutter technology, high definition, no flickering & ghost. •4. Super large viewing and receiving angle. •5. Very light provides comfortable wearing. •6. Excellent LCD lenses offer bright and sharp 3D experience. •7. The lowest energy consumption design. •8. Low-energy alarm function. •9. Auto power off function. •10. Smart synchronization of working signal after power on. •Display Compatibility:3D HDTV, Blue-ray players •3D Glasses Type :Active shutter glasses •Synchronous :IR •Display Compatibility :3D HDTV, Blue-ray players •Frequency :120Hz       Response Time :2.0ms •Contrast :750 •Transmission :≥37% •Battery Type :3.7V/60mAh rechargeable lithium-ion •Battery Life :about 80 hours     Charge Time :about 3 hours •Dimension :165 × 40 × 165 mm •Net Weight :46g   Color :Black •Environment Temperature :0 °C - 40 °C•Relative Humidity :20% - 80% •Atmospheric Pressure :86 kPa - 106 kPa