Speaker Dimensions : 50 mm Impedance : 32 Ω Frequency range : 20Hz-20000Hz Max Input Power : 15mW Sensitivity : 95 + 3dB Cable Length : USB 2.2 meters Mic Dimensions : 6.0 x 5.0 mm Sensitivity mic : -42 x 2dB Directivity : Omnidirectional Impedance Mic : 2.2 KΩ