There are multiple 3D formats and no universal standard. XpanD designed the glasses to work on many different formats of TV.
On the bottom is a button that changes the glasses. Using a CR 2032 watch battery, you continue to push the button down until the 3D works. After a certain time, the glasses will turn themselves off. Xpand even gives you 3 batteries in the package, along with additional nose pieces.
XpanD Universal 3D glasses are available at Sears, CompUSA, Fry’s and more starting at $119.00
Interview by Andrew McCaskey of RV News Net
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