FREE SHIPPING - Same day if payment is made before 2pm CDT on a weekday. (non-holiday)Experience the ultimate 3D viewing experience with these rechargeable active shutter glasses. Designed to work with Sony and Samsung projector TVs, these glasses provide a seamless Bluetooth synchronization for a perfectly timed 3D effect. The glasses have a dimensions of 165*40*165mm and are designed to fit comfortably with a net weight of only 46g. The glasses have a response time of 2.0ms and a transmission rate of ≥37%. They are suitable for atmospheric pressures between 86 kPa-106 kPa and have a charge time of about 2 hours. With a contentiously working time of 40 hours, these 3D glasses are perfect for extended viewing sessions. The display compatibility includes 3D HDTV Blu-ray players and the glasses come with a 3.7V/60mAh rechargeable lithium-ion battery.