Gaming Headset with dual_x0002_microphone Trumpet Dia: φ40mm Impedance: 32Ω S.P.L.: 108dB±3dB S.P.L. at 1KHz Rated power: 20mW Rated capacity: 30mW Frequency response: 20Hz_x0002_20,000Hz Length of wire: 2m±0.15 Plug-in Spec./: 3.5mm Mic: 6050 -58dB±3dB full way