... Viewing Angle 80° Electrical Parameter and Quality Battery Life 300 times 70% Power Loss Current 2.5mA±0.3mA ... TV brandDomestic: Hisense, Changhong , Unipolar Over sea : SONY, Samsung ,LG,Function ButtonWired-connectionYes SYNC chargeAdjustable for Left and Right ... ,Spectrum Separated 3D Glasses,Refractiondepth 3D Glasses,Eclipse Glasses,Laser Glasses, Decoder Glasses and other optical films. Production ...