We are Future 3D Technology Co, Ltd. based in Shenzhen , China. Weare member of Tradekey.com since March, 2011. Our business isrelated to Electrical & Electronics Supplies industry and wespecifically deal in 3D glasses. Please find our product detailsbelow: 3D glass for cinema FT300 3D glasses for cinema powersupply:CR2032 Battery Battery lifespan:300 hours Weight:38g Thankyou for taking the time to go through our business profile. Ifthere are any question, inquiry or comments, please feel free tocontact us.