Key Specifications/Special Features:

• Frequency range: 20Hz-20KHz   
• Speaker Impedance: 32ohm          
• Driver Unit:50MM
• Sensitivity:115+/-3db
• Impedance≦2.2KΩ
• Microphone sensitivity: -42DB±3dB                       
• Metal cover, protein earcap
• 7.1 Virtual Surround Sound
• Tilting ear cups with memory foam
• removable microphone
• USB & detachable remote control
• USB / 1X 3.5 MM