KEYDEX Rechargeable Infrared Active Shutter 3D Glasses Universal for Panasonic, Samsung, Sharp, Toshiba, Sony, Philips Consumer infrared Universal 3D Glasses - work with all major brands of 3D TV's that use an IR signal. Such as Mitsubishi, SONY, Panasonic, Samsung (2010 and earlier), Toshiba, Sharp & Phillips and Pioneer 3D signal searching button build-in Rechargeable battery 3 Hours of recharging provides 50 hours of operation Up to 5 Meter motion range. (Suggested motion range 2 Meter)