Buy from Amazon : br br Excelvan 3D Active TV Glasses For Samsung SSG-3500CR 2011 samsung 3d led tv br br Package included 1 pair of Excelvan Brand 3D Glasses Accessories USB Cables x 1 2m including the connectorStorage bag x 1Cloth x1Nose piece x3 S M LUser manual x 1 br High transmission lenses with brighter 3D video imageHigh-tech light-speed LCD shutter technology High quality stereoscopic 3D solution br 3D Glasses type Active shutter glasses Color Black br Contentiously working time 50-80 hours Charge time 3 hours Dimension 170 x 40 x 165 mm br Support for all well-known TV brands SamsungLGSonyPanasonicSharpPhilipsCommunicate with the TVs IR emitter Auto power off function energy efficiency Built-in high capacity rechargeable battery 3-hour full charge for 50-80 hours continuous use Eminent chipset with quick response time