Supersonic SV-849VR Virtual Reality Headset with Built-in Stereo Headphones• Fits iOS(TM) & Android(TM) cellular phones with 4"-6" touchscreens ;• Durable, lightweight design ;• Adjustable pupil distance & focal length ;• Cooling ventilation slots prevent smartphone from overheating ;• High-transmittance, nano-coating technology ;• Includes room for most eyeglasses;