Mic Dimensions: 6.0*5MMMicrophone Sensitivity: -58DB ± 2DBDirectivity: Omni DirectionalDriver Unit: 40MMSpeaker Impedance: 32Ω ± 15%Plug Diameter: 3.5MMSpeaker Frequency Response: 20-20KHZCord Length: 2M ± 5%..

Frequency: 20 Hz to 20KHzSensitivity: 110dB±3dBCable Length: Approx 1.2m±10%..

Cable length: 2M3.5mm Audio JackFrequency: 20-20 KHz.Sensitivity: 91db / Mw..

Clear Neodymium Directional Driver Sound3.5mm Audio Jack offers near universal device compatibilityHighly adjustable Noise Cancelling Microphone for optimized Voice ChatSmart In-line Volume Control for precise volume controlComfortable Over-The-Ear Cup And Over-The-Head Band Cushions designed for comfort..