1. Impedance: 32 ohms\r\n2. Sensitivity: 95db\r\n3. Weight: 323g\r\n4. Material: artificial skin protein\r\n5. Power: 50mW\r\n6. Sounding principle: moving coil\r\n7. With or without microphone: Yes\r\n8. Plug diameter: 3.5mm\r\n9. Speaker diameter: 50mm\r\n10. Frequency response: 20Hz-20KHz\r\n11. How to use: head-mounted\r\n12. Multifunctional wire control, durable wire\r\n13. Headphone output audio source: communication equipment\r\n14. Uses: computer headsets, game audio and video headsets, gaming headsets\r\n15. Size: 195x95x210mm