1. Product material: high-strength ABS material;
2. Head contact: TPU+ Lycra;
3. Face material: high-grade flocking fit, anti-allergic, breathable and sweat-proof detachable design, easy to remove, clean and reuse;
4. Vision module: interpupillary distance adjustment 60-72mm, near vision adjustment 0-800�� hyperopia 0-500��, lens material 42mm PMMA professional optical lens, field of view role difference FOV up to 120�� (actual and mobile phone size and head The belt tightness is related), the color difference is 0.39mm;
5. Hearing module: earphone sensitivity / frequency response range 98 dB / 20-20,000 Hz, maximum power 50mW, high-fidelity earmuffs;
6. Recommended mobile phone specifications: 4.7-6.0 inches (outer dimensions of mobile phone: within 160*85mm or 163*82mm, resolution between 1080p-2k).