The Optoma ZD301 DLP® Link™ 3D Glasses offer customers the best 3D viewing experience available in today’s market. Our most comfortable 3D glasses design is both lightweight and stylish at just 0.1 pounds and come with interchangeable nose pieces for customized comfort. 3D viewing has reached a new level of comfort. Gone are the days of cheap plastic or cardboard glasses that press onto your face and irritate your ears. The ZD301 DLP® Link™ 3D glasses feature a lightweight design that is easy on the ears, providing for long-term comfort. The ZD301 glasses are large enough to fit over most prescription glasses, allowing anyone enjoy the exciting experience of 3D content.