Active Shutter 3D Glasses use professional 3D display chips, high-contrast LCD shutter technology, ultra-long battery life and low-power consumption self-developed circuit design. Suitable for 3D projectors equipped with DLP-Link 3D-Ready, bring you a better 3D viewing experience. It not only provides visual enjoyment, but also allows you to enjoy 3D content happily for a long time without feeling tired.