Myopia adjustment:0-600°Hyperopia regulation: 0-200°Interpupillary distance adjustment: 60-72MMProdcut weight: 350GProdcut size: 224* 206* 117mmHeadphone sensitivity: 98 dBFrequency Range: 20-20,000 HZ Maximum power: 50mW Implementation standards:GB/T 14471-2013Material: Japan PMMA optical lens Diameter:...