1. Support 3D DLP-link projectors of Optoma, Acer, BenQ, NEC, ViewSonic, Sharp, Dell, Vivitek and Casio, etc.; 2. Long viewing distance, up to 30m-50m 3. Auto sync, just a single power button 4. Rechargeable by micro USB 5. High-speed response lenses, prevent from eye strain 6. Silicone nose pads, comfort and durable to wear; Synchronous DLP-Link signal; Display Compatibility DLP-Link - Frequency: 96Hz~144Hz; Response Time: 2.5ms; Contrast: 1000:1; Transmission: 38%; Continuously Working time: About 50 hours; Frame is varnished w/ UV, elegant and fine; Active 3D technology; Great for watching 3D videos