1、HD Lenses: These DLP 3D glasses use original HD lenses to deliver true image quality, supporting 1080P HD movie sources with stable performance and no image loss. Enjoy a luxurious viewing experience, playing mainstream 3D content smoothly and stably for a more immersive experience. 2、High Light Transmittance: These DLP 3D glasses use a light valve LCD lens with less than 1.5ms response time, increasing light transmittance by 8%. High light transmittance and high contrast create a clear and dazzling image, effectively reducing ghosting and presenting a vivid 3D picture. 3、Long Battery Life: These 3D active shutter glasses use a large-capacity polymer rechargeable lithium battery, built-in 90mAh polymer lithium battery, for long battery life, durability, and environmental friendliness, providing 40 hours of continuous playback on a full charge. 4、Wearable by Nearsighted Individuals: These 3D active shutter glasses are designed for nearsighted individuals and can be worn directly to watch 3D movies, and can also be used with various nearsighted glasses on the market. 5、Broad Compatibility: These Active Shutter Glasses 3D use "for DLP Link" as a synchronization method and can quickly work with all projectors with DLP Link technology. Compatible with DLP Link projectors. (Note: It is not compatible with TVs)