A4Tech Bloody MR595 Renegade All-in-One Gaming Headset

Headset Speaker Unit: 50mm HybridCore Diaphragm Frequency: 20 Hz - 20 KHz Sensitivity: 105 dB Impedance: 32 ohm Operating Range: Up to 10m Built-in Battery: 1050mAh Lithium Battery Playback Time: 135H (Light Off) / 80H (Light On) Microphone Mic. Type: 10mm Unidirectional Frequency Response: 100 Hz - 10 KHz Sensitivity: -38 dB