3ACTIVE® 3D Glasses - Compatible with 2010 "C" Series Samsung® 3D TVs3ACTIVE® 3D Glasses are compatible with 2010 "C" Series Samsung® 3D TVs that use Infrared (IR) to communicate with the 3D Glasses. Compatible Samsung3D TV Models:LED 3D TVsPlasma 3D TVsC9000 SeriesUN55C9000 (55")UN46C9000 (46")PNC7000PN63C7000 (63")PN58C7000 (58")PN50C7000 (50")C7000 SeriesUN55C7000 (55")UN46C7000 (46")UN40C7000 (40")PNC680 SeriesPN50C680 (63") PNC490 SeriesPN50C490 (50")The 2010 and 2011/2012 Samsung 3D TVs use a different technology to synchronize the 3D glasses with the 3D TV. The 2010 Use infrared and the 2011/2012 use radio frequency. The signal coming from the TV must match the signal in the glasses for proper functionality.If you own a 2011 or 2012 Samsung 3D TV, please search for our "Dimensional Optics 2011 & 2012 Samsung Compatible 3ACTIVE 3D Glasses".***These glasses are not compatible with Projection Units***