Iron Hammer VR - Virtual Reality Headset with bluetooth Wireless Game Contro... 3D glasses is made of environment-friendly ABS and resin,fully closed design. Adjustable distance between cell phone and lens,suitable for different people,adjustable to every user. FOR support 3D side by side video. IOS phone+Android,the system doesn't need to be tethered to any exterior hardware,as all processors to drive the 3D experience are already built-in in most phones, which means you have absolute freedom of movement and are not restricted to any cables. It lets you wander around experiencing virtual reality in all its beautiful 3D glory so now you can enjoy private 3D movies with an Android or IOS phone. For 4.7-6.1 inches cell phones-- no more robust moive,marvelous 3D experience. With 3D glass, you can enjoy the same 3D experience at home with your beloved phone.