... .Specifications: 3D Glasses typeActive shutter glassesSynchronous IR, BluetoothDisplay compatibility3D HDTV, Blue-ray playersFrequency120HzResponse time2.0msContrast750Transmission≥37%Battery Type3.7V/60mAh rechargeable lithium ... °CRelative Humidity20% - 80%Atmospheric pressure86 k Pa - 106 k PaColorBlack, Blue, Red, Orange, YellowKey Features1. Auto identification of different 3D TVs ...