Fiit 3D VR Glasses Video Virtual Reality Headset for iOS & Android Smart Phones from 4.5 to 6.5 inches LIGHT -Innovative ergonomics design of comfortable wearing, weights only 263gram, so light you can enjoy play games and watch IMAX movie more comfortably in home or during travel at manufacturer price; ADJUSTED -Adjustable switches designed for various sized smart phone and the adjustable T straps for easy and flexible wear, you can adjust the tightness of the headbands to the most suitable position while using; LENS -Two lens cone for sight focal length adjustment suitable for shortsighted users and the bottom left & right switches are for pupil distance adjustment great for people of all age; HIGH-TECH -Careful refined resin lens for every details through highest Japanese processing , light, strong and clear, which is anti-distortion and aspheric optical design;Learning tool GUARANTEED - wide field of view, precise head-tracking and low latency brings reality to the virtual, Be transported to amazing new worlds, in games, video and images, Thousands of 360 degree panoramic photos