HeadphoneWeight: 5.82 oz (165 g)Dimensions: 163×170×2.80 in (71 mm)Audio Drivers: 1.57 in (40 mm)Frequency Response: 20 Hz - 20 kHzImpedance: 45 Ohms (passive)Sensitivity: 83.1 dB SPL/mWMax volume: <100 dB with optional limiter at <85 dBFrequency Response: 100Hz-8KHzWireless range : Up to..