BExcelvan 3D Active Rechargeable Shutter DLP-Link Projector Glasses for Acer H5360 P1100 P1200 P1203 P5205 S5201M S5200 S5201 P5290 P5206 U5200 P3251 P1206 M114 P1101 P1201 X1110 D302 D101E X1261P X1213P X1213PH X1211K X1211 D411D ReviewbP PP Excelvan 3D Active Rechargeable Shutter DLP-Link Projector Glasses for Acer H5360 P1100 P1200 P1203 P5205 S5201M S5200 S5201 P5290 P5206 U5200 P3251 P1206 M114 P1101 P1201 X1110 D302 D101E X1261P X1213P X1213PH X1211K X1211 D411D PErgonomic design, exquisite appearance.low energy, low carbon and environmental protection.PHigh permeability rate to ensure perfect quality.if the 3d glasses do not receive the syncsignal, automatically turn off after 5 minutes.PLong-lasting use.signal transmission: wireless communication with compatible 3d dlp-link projectors.PExcellent lcd lenses offer bright and sharp 3d experience.built-in high quality chipset provides fast working.auto power off function.PSmart synchronization of working frequency.