Sanwa 400-3DGS001

Sanwa's 3DGS001 are universal active-shutter 3D glasses supporting 3D TVs from Sony, Panasonic, Toshiba and Sharp. They use rechargable batteries (using a USB cable to charge) and come in three sizes.

The 3DGS001 cost $100 in Japan, you can buy them here. via UberGizmo