Buy on Amazon.com : http://www.amazon.com/gp/product/B008PQJXFO?tag=lottalatte-20
Optoma BG-ZF2100GLS Active Shutter 3D-RF Glasses
Improved contrast and black level
Lightweight stylish design with interchangeable nose pieces for customized comfort
Always in sync - RF Radio Frequency based synchronization with 3D content
Rechargeable long-life Lithium polymer battery
Designed for use with Optoma projectors with 3D VESA output and synchronization system
