• 3D Virtual Reality Goggles are compatible with 3.5-6.0 inch Android and iOS smartphones. 3D stereo audio comes with Bluetooth stereo headset with 42 MM audio unit. Due to the use of specially designed resin lenses, even if worn for a long time, it will not cause dizziness or visual fatigue. 720° panoramic view. IMAX giant display technology Flexible, adjustable headband fits most head sizes. Adjustable visibility provides maximum comfort. Specifications: Material: ABS + 40MM resin Lens Lens: aspherical optical lens, high transmittance Video format: left-right 3D FOV: 100-120 ° Weight: 450g Focal length: adjustable IPD: adjustable Glasses material: flocking fabric +sponge + velcro Phone stand: 3.5-6.2 inch smartphone Short sight available: 0-600 Bluetooth transmission distance : Up to 10meters Battery : 3.7 V / 350 mAh lithium battery Usage time : About 15 hours Package list: 1 x G40BS 3D virtual reality glasses 1 x user manual 1 x cleaning cloth