Rechargeable Glasses (ONE) for Mitsubishi DLP TV's, Optoma HD33, HD3300, HD83, HD8300, GT750 E, GT750XL projectors, Optoma 3DXL, VIP Displayer and 3D Theater, nVidia quadro cards, I/O and ED PC Gaming kits etc(all require optional 3DTV Corp or nVidia Corp emitter)