3D video is everywhere, and if you cannot afford a 3D TV, but you want to enjoy in 3D videos, Sanwa might have the perfect device for you.
In order to see 3D video, this device sends left and right images from 3D videos in side-by-side format to the appropriate eyeball.
Sanwa YouTube 3D viewer measures 140 x 90 x 75 mm and it weighs around 127 g, and it comes with a slot for your iPhone 4 or iPhone 4S. In addition to iPhone slot, this device has another slot that can be used to put your fingers through in order to control video playback.
So far, Sanwa YouTube 3D viewer is available in Japan and it is priced at 1,980 yen (or US $25), and although it might let you enjoy in 3D videos, you might look a bit silly while using it.