The newly designed ergonomic, lightweight True Depth DLP-Link 3D shutter glasses provide a high quality low cost solution for viewing 3D images, movies and games on all DLP Samsung or Mitsubishi 3D TVs (including legacy TVs!) as well as 3D projectors! No emitter is needed! These glasses feature a light weight design and are among the highest quality glasses compared to other glasses in their class! These come with a storage pouch and a cloth to clean the glasses. These glasses recharge easily via included USB cable! These glasses operate at 96hz, 120hz, and 144hz making them ideal for any and all DLP 3D systems! The new and improved technology virtually eliminates sync issues and other problems found in other DLP link glasses.True Depth 3D is a registered trademark with the U.S. Patent and Trademark Office.