Product Description Size: 16.2*16.5*4.5cm Color: Black Frame Material: ABS+PC Lens Material: LCD shutter lens Package Content: 1* Shutter 3D Glasses 1. Designed for 3D DLP-LINK projector. 3D glasses use "DLP Link" as their synchronization method, no transmitter required, can quickly work with all DLP Link projectors. 2. Strong Compatibility. Our DLP 3D active glasses are compatible with Sony projector, Acer projector, BenQ projector, XGIMI projector, JMGO projector, Panasonic projector. (Note: Does not support all TVs, monitors, ordinary projectors, infrared projectors, Bluetooth 3D projectors) 3. Super Fast 144Hz Refresh Rate. 3D DLP glasses use the latest active shutter technology, next-generation super-fast 144Hz refresh rate, high definition, no ghosting, no flicker, generates better brightness, sharpness and contrast, providing a fantastic 3D viewing experience for you. 4. Long-lasting Battery. The active 3D glasses come with a built-in high-capacity rechargeable battery, continuous operation 50 hours after full charge with USB. 5. High-quality Materials & Light & Comfortable. DLP 3D active shutter glasses are made of high-quality super-soft black rubberized material, much more comfortable than standard plastic lower-quality 3D glasses; comfortable to wear for extended periods.