NOTE: these glasses are NOT compatible with Toshiba 3D Laptops 3D entertainment is all about bringing depth to the movie experience in your living room. Slide on these 3D glasses and the images on your compatible Toshiba 3D HDTV seem to leap right off the screen into your living room or home theater. Enjoy 3D entertainment and amazing picture quality with Toshiba Dynamic 3D glasses matched to the UL610U Series LED HDTV. They"re designed to create the ideal 3D viewing experience from 3D TV programs and sports, to movies on 3D Blu-ray 3D discs. These sleek Dynamic 3D glasses feature a contoured design and side panels to help block excess light. The 3D glasses use a rechargeable battery, and plug into the TV via USB for easy charging. The FPT-AG02U Dynamic 3D glasses are compatible with the Toshiba UL610U Cinema Series 3D LED TVs. Specifications: 3D method: Liquid Crystal Shutter Material Frame: Resin Lens: Liquid crystal glass Battery: Lithium-ion polymer rechargeable battery (AHB341018PI) Battery life: Up to 15 hours* Operating temperature 32°F 104°F (0°C 40°C) Glasses Dimensions (WxHxD): 6.82" x 1.67" x 6.80" Weight: 0.08 lbs Package Dimensions (WxHxD): 7.80" x 3.35" x 2.09" Weight: 0.37 lbs. The battery operating time may become shorter depending on the usage condition or environment