... innovation. Apply Texas instruments (TI) authorized DLP-Link communication technology, light weigh, aims to make children ... design2,Light weight for comfortable wearing3,DLP-LINK communication method4,High-quality LCD lenses, no ... Glasses TypeActive shutter glassesSynchronous DLP-LINKDisplay CompatibilityDLP-LINK ProjectorFrequency120HzResponse Time2.0msContrast750Transmission≥37%Battery Type3.7V/ ...