1. Multifunctional and humanized design, suitable for 4.7-6.0 inch mobile phones 2. Mechanical touch buttons 3. Freely retractable fever earphones, high-fidelity earphones, detachable design, one machine for two purposes 4. One-key call answering/volume up and down, no need to take off the earphones, answer directly 5. The fixed telescopic adjustment of the headband is suitable for a variety of head shapes and is more comfortable to wear 6. Blue light eye protection, clear contrast, high-definition optics, reduce eye fatigue 7. Independent adjustment of pupil distance and object distance, one-time memory positioning without stuck key 8. Immersive game experience, innovative head control method, simple and easier operation 9. 0-600 degrees myopia adaptation, support direct viewing with naked eyes, free vision adjustment 10. Thickened breathable PU mask, soft and breathable, more comfortable 11. IMAX giant screen theater, VR 3D private theater, 3D giant screen + surround sound quality 12. Lens diameter: 42mm 13. Lens material: optical resin high-definition lens 14. Optical correction: aspherical design 15. Color difference: 0.39CIELAB 16. Horizontal field of view: 110 degrees (actually related to the size of the phone and the tightness of the headband) 17. Hyperopia adjustment: 0-500 degrees 18. Myopia adjustment: below 600 degrees 19. Display size: 300 inches 20. Interpupillary distance adjustment: 60-67mm 21. Object distance adjustment: 44-53mm 22. Material: Environmental ABS+PC 23. Headphone sensitivity: 112dB 24. Headphone frequency response range: 20-20000Hz 25. Headphone impedance: 32 ohms 26. Headphone power: limited to 50mW 27. Earphone jack: 3.5mm 29. Touch button: capacitive input mechanical touch button 30. Resolution: 720-1280P 31. Dimensions: 332 × 202 × 153mm 32. Net weight: 561g